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For the Inventor, By the Inventor

Tokyo, Japan

Tadayuki Kirigaya

This inventor holds 19 USPTO granted patents. Top assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Asahi Kogaku Kogyo K.k.. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadayuki Kirigaya. Retrieved from https://idiyas.com/inventor/tadayuki-kirigaya

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 118(Granted Patents)


Company Filing History:

goldMedal18 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
silverMedal1 out of 176 
 
Asahi Kogaku Kogyo K.k.
 patents

Years Active: 1987-2000

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19 patents (USPTO):Explore Patents
1. 6085046 - Device for processing digital data of a DX code (2000-07-04),
2. 5812888 - Motor driven zoom camera (1998-09-22),
3. 5774746 - Camera with learning function (1998-06-30),
4. 5761554 - Information setting data dial for a camera (1998-06-02),
5. 5754894 - Motor driven zoom camera (1998-05-19),
6. 5682558 - Camera with learning function (1997-10-28),
7. 5680647 - Motor driven zoom camera (1997-10-21),
8. 5654789 - Motor driven zoom camera (1997-08-05),
9. 5604554 - Indicator with finder of single lens reflex camera (1997-02-18),
10. 5488446 - Indicator within finder of single lens reflex camera (1996-01-30),
11. 5386260 - Camera having indicator with finder (1995-01-31),
12. 5325147 - Exposure control apparatus of a camera (1994-06-28),
13. 5227828 - Automatic focusing device for camera lens (1993-07-13),
14. 5223874 - Pentagonal mirror unit of single lens reflex camera (1993-06-29),
15. 5184173 - Protecting apparatus of displaying portion of photographing data in (1993-02-02),

Title: Tadayuki Kirigaya: An Innovator from Tokyo

Introduction

Tadayuki Kirigaya is a prominent inventor based in Tokyo, Japan, known for his significant contributions to technology and innovation. With a total of 19 patents to his name, Kirigaya continues to influence the field with his inventive spirit and engineering prowess.

Latest Patents

Among his latest innovations are two noteworthy patents:

1. **Device for Processing Digital Data of a DX Code** - This device efficiently processes digital data by reducing the number of original digital data in a predetermined manner. It discriminates whether a specified reference part of the digital data meets certain conditions and adjusts values accordingly based on the data received.

2. **Motor Driven Zoom Camera** - This invention pertains to an optical camera that includes a zoom function, allowing the user to vary the focal length through a motor. The design ensures that an automatic focusing operation is conducted when the focal length changes, maintaining focus on the viewed object through the viewfinder.

Career Highlights

Kirigaya has had an impressive career with significant contributions in various technology sectors. He has worked with notable companies including Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Kogaku Kogyo K.K., where he honed his skills as an inventor and innovator.

Collaborations

Throughout his career, Tadayuki Kirigaya has collaborated with esteemed professionals such as Hideaki Tsuji and Tetsuo Hosokawa. These partnerships have fostered a creative environment that has enhanced his inventiveness and contributed to his achievements in the industry.

Conclusion

In conclusion, Tadayuki Kirigaya exemplifies the spirit of innovation in the heart of Tokyo, Japan. With a portfolio of 19 patents and groundbreaking inventions, he continues to inspire future generations of inventors and engineers. His work, particularly in digital data processing and optical technology, reflects the ongoing evolution of modern technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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