IDiyas

For the Inventor, By the Inventor

Saitama, Japan

Katsumi Motomura

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Saitama, JP (1998 - 2003)
  • Asaka, JP (1995 - 2004)

Company Filing History:

goldMedal15 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents

Years Active: 1995-2004

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15 patents (USPTO):Explore Patents
1. 6778769 - Camera (2004-08-17),
2. 6724987 - Lens-fitted photo film unit with electronic flash device (2004-04-20),
3. 6633728 - Flash device, lens-fitted photo film unit, camera, and producing method for the same (2003-10-14),
4. 6630798 - Electronic flash device of automatic light adjusting type (2003-10-07),
5. 6539176 - Photometry device for camera (2003-03-25),
6. 6407512 - Flashing device of an automatic light-regulation type (2002-06-18),
7. 6397011 - Camera with automatic stop change device (2002-05-28),
8. 6384704 - Trigger coil (2002-05-07),
9. 6356712 - Instant camera with improved processing liquid spreading device (2002-03-12),
10. 5974267 - Timer-controlled optical data recorder device for lens-fitted photo film (1999-10-26),
11. 5895983 - Flash charging circuit (1999-04-20),
12. 5875357 - Lens-fitted photo film unit and electronic flash device for use therewith (1999-02-23),
13. 5854946 - Lens-fitted photo film unit and electronic flash device for use therewith (1998-12-29),
14. 5752084 - Lens-fitted photo film unit and electronic flash device for use therewith (1998-05-12),
15. 5477292 - Mechanism for driving a diffusion plate of strobe-lights (1995-12-19),

Title: Katsumi Motomura: Pioneering Innovations in Photography Technology

Introduction

Katsumi Motomura is a notable inventor hailing from Saitama, Japan. With a remarkable portfolio of 15 patents, he has made significant contributions to the field of photography technology. His innovative ideas focus on enhancing photographic equipment, particularly in the areas of flash photography and control circuits.

Latest Patents

Motomura's latest patents showcase his ingenuity and technical expertise. One of his notable inventions is a camera system that utilizes a computation expression to determine emission time periods for obtaining a predetermined amount of emitted light based on temperature variables. This patent provides a way to adjust light emission during flash photography, particularly focusing on red-eye prevention techniques.

Another significant patent is for a lens-fitted photo film unit that incorporates an electronic flash device. This invention includes a flash emitter designed to optimize flash photography by measuring light reflected from photographic subjects. A flash amount control circuit is integrated to quench flash emission once a certain level of reflected light is detected, thus improving image quality during varying aperture states.

Career Highlights

Katsumi Motomura has dedicated his professional career to Fuji Photo Film Company, Limited, where he has utilized his inventive skills to bring forth advancements in photographic technologies. His work has not only enhanced the user experience but has also contributed to the evolution of photographic equipment on a broader scale.

Collaborations

Throughout his career, Motomura has collaborated with distinguished colleagues such as Yukitsugu Hata and Keiji Uchiyama. These collaborations have fostered a dynamic exchange of ideas and innovations, further propelling the development of cutting-edge photography technologies.

Conclusion

Katsumi Motomura stands out as a significant figure in the field of photography technology. His inventive spirit and dedication to enhancing photographic experiences are reflected in his extensive patent portfolio. As he continues to innovate, Motomura's work will undoubtedly pave the way for future advancements in this ever-evolving industry.

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