Shigeto Hirabayashi

This inventor holds 37 USPTO granted patents, primarily in Silver Halide Photography. Top assignees: Konica Corporation, Konishiroku Photo Industry Co., Ltd.. Active years: 1981-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeto Hirabayashi. Retrieved from https://idiyas.com/inventor/shigeto-hirabayashi

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

USPTO Granted Patents = 37

% Patents Active = 97.3

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 188(Granted Patents)

Location History:

Hachioji, JP (1984 - 1994)
Tokyo, JP (1989 - 1994)
Hino, JP (1981 - 2002)

Company Filing History:

Konishiroku Photo Industry Co., Ltd.

patents

Years Active: 1981-2002

Loading Chart...

Areas of Expertise:

Silver Halide

Photographic Material

Color Photography

Light-Sensitive

Image Recording

Heat Development

Dye Image Formation

Photographic Process

Image Information

Recording Method

Coupler Technology

Direct Positive

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6376161 - Image information recording method (2002-04-23),

2. 6010809 - Silver halide light-sensitive color photographic material (2000-01-04),

3. 5998117 - Silver halide photographic light-sensitive material (1999-12-07),

4. 5998109 - Method for a silver halide light-sensitive photographic material and (1999-12-07),

5. 5834164 - Silver halide photographic light sensitive material comprising a coupler (1998-11-10),

6. 5534400 - Silver halide color photographic light-sensitive material (1996-07-09),

7. 5449592 - Silver halide color photographic light sensitive material for color (1995-09-12),

8. H001429 - Silver halide photographic light-sensitive material (1995-04-03),

9. 5380639 - Silver halide color photographic material (1995-01-10),

10. 5370980 - Silver halide photographic light-sensitive material (1994-12-06),

11. 5364753 - Silver halide color photographic light-sensitive material (1994-11-15),

12. 5324625 - Silver halide color photographic light-sensitive material (1994-06-28),

13. 5290669 - Silver halide color photographic light-sensitive material (1994-03-01),

14. 5284742 - Silver halide photographic light-sensitive material (1994-02-08),

15. 5275926 - Silver halide color photographic light-sensitive material (1994-01-04),

Title: Shigeto Hirabayashi: A Pioneer in Photographic Innovations

Introduction

Shigeto Hirabayashi, an accomplished inventor based in Hino, Japan, has made significant contributions to the field of photographic technology. With a remarkable portfolio of 37 patents, Hirabayashi’s innovations have greatly influenced the development of light-sensitive materials used in photography.

Latest Patents

One of Hirabayashi's latest patents is an image information recording method concerning silver halide light-sensitive color photographic materials. This invention introduces a material that comprises thermotropic low molecular crystal, enhancing light fastness of dye images and improving dye-forming efficiency.

Career Highlights

Throughout his career, Shigeto Hirabayashi has been associated with prominent companies, including Konica Corporation and Konishiroku Photo Industry Co., Ltd. His work in these organizations has played a crucial role in advancing imaging technologies, making lasting impacts in the field.

Collaborations

Hirabayashi has collaborated with esteemed colleagues like Katsumasa Yamazaki and Shuichi Sugita. Their joint efforts have further propelled innovative solutions in photographic materials, solidifying Hirabayashi's reputation as a driving force in the industry.

Conclusion

Shigeto Hirabayashi's contributions to photographic technology exemplify the spirit of innovation. With a robust patent portfolio and collaborations with influential colleagues, he continues to inspire future generations of inventors in the realm of photography and imaging.

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]