Takashi Kamio

This inventor holds 6 USPTO granted patents. Top assignees: Konishiroku Photo Industry Co., Ltd., Konica Corporation. Active years: 1987-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Kamio. Retrieved from https://idiyas.com/inventor/takashi-kamio-pmk3576y

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

Calculating rank

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 32(Granted Patents)

Location History:

Hino, JP (1988 - 1989)
Hachiojo, JP (1990)
Hachioji, JP (1987 - 1994)

Company Filing History:

5 out of 1,252

Konishiroku Photo Industry Co., Ltd.

Years Active: 1987-1994

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5310641 - Negative type silver halide photographic material comprising silver (1994-05-10),

2. 4977069 - Silver halide color photographic light sensitive material (1990-12-11),

3. 4871658 - Silver halide photographic material that is resistant to fogging during (1989-10-03),

4. 4752558 - Light-sensitive silver halide color photographic material (1988-06-21),

5. 4724198 - Light-sensitive silver halide color photographic material having (1988-02-09),

6. 4701404 - Silver halide color photographic material of high sensitivity and (1987-10-20),

Title: The Innovations of Takashi Kamio

Introduction

Takashi Kamio is a notable inventor based in Hino, Japan. He has made significant contributions to the field of photography through his innovative patents. With a total of six patents to his name, Kamio has focused on developing advanced photographic materials that enhance image quality.

Latest Patents

Among his latest patents is a negative type silver halide photographic material. This material comprises silver halide grains with a core-shell structure. The inner core consists primarily of silver bromide or silver iodobromide, while the shells are made up of silver bromide or silver iodobromide as well. The outermost shell contains silver iodide in a range of 0 to 10 mol %. Additionally, he has developed a silver halide color photographic light-sensitive material. This material features a support with at least two each of red-sensitive, green-sensitive, and blue-sensitive layers, ensuring a diverse range of sensitivities for optimal photographic results.

Career Highlights

Throughout his career, Takashi Kamio has worked with prominent companies in the photography industry. He has been associated with Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His work in these organizations has allowed him to refine his expertise in photographic materials and technologies.

Collaborations

Kamio has collaborated with notable coworkers, including Yoshitaka Yamada and Toshifumi Iijima. These partnerships have contributed to the development of innovative photographic solutions.

Conclusion

Takashi Kamio's contributions to the field of photography through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in photographic materials and technologies.

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]