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Pentax Corporation
Former type Public TYO: 7750 (-2007); Subsidiary of Hoya Corporation (2007-2008)
Fate Merged into Hoya Corporation (Currently imaging and health care divisions of Hoya)
Founded Tokyo, Japan (1919)
Defunct March 31, 2008
Headquarters Tokyo, Japan
Key people Fumio Urano, President & CEO
Industry Imaging 
Products Cameras and photographic equipment; Binoculars, spotting scopes and telescopes; Medical fiberscopes and endoscopes; Medical fine ceramics products; Information and communications products; Component products; Industrial products; Eyeglass lenses
Revenue 157.3 billion Yen (Business year ending March 31, 2007)
Net income 3.57 billion Yen [1]
Employees 1,661 (as of March 31, 2005; non-consolidated Pentax Corp. only)
Website Pentax English Home

Pentax Corporation (ペンタックス株式会社 Pentakkusu Kabushiki-gaisha ?) was a Japanese optics company, producing cameras, sport optics (e.g. binoculars), etc. The company was merged with and into Hoya Corporation on March 31, 2008. Currently, Pentax is a business division and brand name of Hoya.


Corporate history


Early history

The company was founded as Asahi Kogaku Goshi Kausha in November 1919 by Kumao Kajiwara, at a shop in the Toshima  suburb of Tokyo, and began producing spectacle lenses (which it still manufactures).[1] In 1938 it changed its name to Asahi Optical Co., Ltd. (旭光学工業株式会社 Asahi Kōgaku Kōgyō Kabushiki-gaisha ?), and by this time it was also manufacturing camera/cine lenses. In the lead-up to World War II, Asahi Optical devoted much of its time to fulfilling military contracts for optical instruments. At the end of the war Asahi Optical was disbanded by the occupying powers, being allowed to re-form in 1948. The company resumed its pre-war activities, manufacturing binoculars and consumer camera lenses for Konishiroku and Chiyoda Kōgaku Seikō (later Konica and Minolta respectively).

Early 1950s to 2007

The period around 1950 marked the return of the Japanese photographic industry to the vigorous level of the early 1940s, and its emergence as a major exporter. The newly reborn industry had sold many of its cameras to the occupation forces (with hugely more disposable income than the Japanese) and they were well received. The Korean War saw a huge influx of journalists and photographers to the Far East, where they were impressed by lenses from companies such as Nikon and Canon for their Leica rangefinder cameras, and also by bodies by these and other companies to supplement and replace the Leica and Contax cameras they were using.

In 1952 Asahi Optical introduced its first camera, the Asahiflex (the first Japanese SLR using 35mm film). The name "Pentax" was actually created from "Pentaprism" and "Contax", this brand became registered trademark of VEB Zeiss Ikon in the East Germany that later sold the name "Pentax" to Asahi Optical in 1957. Since then the company has been primarily known for its photographic products. The company's photography products were imported to the United States from the 1950s until the mid 1970s by Honeywell Corporation and were labeled Honeywell Pentax rather than Asahi Pentax, the name by which they were distributed to the rest of the world. The company was renamed Pentax Corporation in 2002. It was one of the world's largest optical companies, producing still cameras, binoculars, and spectacle lenses as well as a variety of other optical instruments. In 2004 Pentax had about 6000 employees.

Merger with Hoya

In December 2006, Pentax started the process of merging with Hoya Corporation to form 'Hoya Pentax HD Corporation'.[2] Hoya's primary goal was to strengthen its medical-related business by taking advantage of Pentax's technologies and expertise in the field of endoscopes, intraocular lenses, surgical loupes, biocompatible ceramics, etc. It was speculated that Pentax's camera business could be sold off after the merger. A stock swap was to be completed by October 1, 2007 but the process was called off on April 11, 2007. Pentax president Fumio Urano resigned over the matter, with Takashi Watanuki taking over as president of Pentax.[3] However, despite Watanuki's previously stated opposition to a Hoya merger, on May 16 it was reported that Pentax had accepted "with conditions" a sweetened offer from Hoya, according to a source familiar with the matter.[4] Pentax was under increasing pressure from its major shareholders, Sparx Asset Management in particular, to accept Hoya's bid.

On August 6, 2007, Hoya completed a friendly public tender offer for Pentax and acquired 90.59% of the company.[5] On August 14, 2007, the company became a consolidated subsidiary of Hoya. On October 29, 2007, Hoya and Pentax announced that Pentax, as the company ceasing to exist, will merge with and into Hoya effective on March 31, 2008.[6] Hoya closed Pentax-owned factory in Tokyo, Japan and moved most of their operations to Southeast Asia. All professional (DA*) and consumer (DA, D-FA) lenses are produced in Vietnam, whereas DSLR cameras are produced in Philippines.


The corporation is best known for its eponymous brand of "Pentax" cameras, starting with the pivotal "Asahi Pentax" single-lens reflex camera of 1957, which followed on from Asahi's first series of cameras, the Asahiflex of 1952. The success of the Pentax series was such that the business eventually renamed itself "Pentax Corporation" after the product. Although the corporation ultimately merged into Hoya Corporation, Hoya continues to develop and market cameras under the Pentax brand.

Corporate cooperation and competition

In 2005, Pentax Corporation partnered with Samsung Techwin to share work on camera technologies and recapture market ground from Nikon and Canon. Then Pentax and Samsung started releasing new DSLR siblings from this agreement. The Pentax *istDS2 and *istDL2 also appeared as the Samsung GX-1S and GX-1L, while the jointly developed (90% Pentax and 10% Samsung) Pentax K10D and K20D gave birth to the Samsung GX-10 and GX-20 respectively. Some Pentax lenses are also rebranded and sold as the Samsung Schneider Kreuznach D-Xenon and D-Xenogon lenses for the Samsung DSLRs. However, both brands are completely compatible with Pentax and Samsung DSLRs.

Hoya is focusing its main business on the following areas: information technology, eye care, life care, optics, imaging systems. Pentax’s main competitors include Canon, Nikon, Olympus, Panasonic, Sony (imaging/camera business), Fujifilm, Sangi, Kyocera (life care business).



  • PENTAX Industrial Instruments Co., Ltd.
  • PENTAX Optotech Co., Ltd.
  • PENTAX Service, Co., Ltd.
  • PENTAX Fukushima Co., Ltd.
  • PENTAX Tohoku Co., Ltd.
  • PENTAX Trading (Shanghai)Co.,Ltd.
  • PENTAX (Shanghai) Corporation
  • PENTAX Hong Kong Ltd.
  • PENTAX Cebu Philippines Corporation
  • PENTAX VN Co., Ltd.


  • PENTAX Europe GmbH
  • PENTAX U.K. Ltd.
  • PENTAX France S.A.
  • PENTAX Schweiz AG
  • PENTAX Scandinavia AB
  • PENTAX Nederland B.V.
  • PENTAX Europe n.v.

North America

  • PENTAX of America Inc. (PENTAX Medical Company)
  • PENTAX of America Inc. (PENTAX Imaging Company)
  • PENTAX of America Inc.
  • PENTAX Medical Company
  • PENTAX Imaging Company
  • Microline PENTAX Inc.
  • PENTAX Canada Inc.
  • KayPENTAX (PENTAX Medical Company)

Agencies/Sole Distributors

See also


  1. ^ "History of Pentax Corporation". Derek J. White.  
  2. ^ "HOYA and PENTAX Reach Basic Understanding for Management Integration" (PDF). Hoya. 2006-12-21. Retrieved 2007-04-12.  
  3. ^ "Pentax scraps Hoya deal, picks new boss". The Asahi shimbun. 2007-04-11. Retrieved 2007-04-12.  
  4. ^ "Pentax to accept Hoya offer with conditions: source". Reuters. 2007-05-16. Retrieved 2007-05-18.  
  5. ^ "Notice Regarding the Results of the Tender Offer for the Shares of PENTAX Corporation and Change of Subsidiary" (PDF). HOYA Corporation. 2007-08-07. Retrieved 2007-08-07.  
  6. ^ "Public Notice of Execution of Merger Agreement" (PDF). PENTAX Corporation. 2007-10-29. Retrieved 2007-10-31.  


  • The Japanese Historical Camera. 日本の歴史的カメラ (Nihon no rekishiteki kamera). 2nd ed. Tokyo: JCII Camera Museum, 2004.
  • Cecchi, Danilo (1991) Asahi Pentax and Pentax SLR 35mm Cameras 1952-1989, Hove Photo Books, Sussex. ISBN 978-0906447628

External links


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