Yasushi Irie

This inventor holds 9 USPTO granted patents. Top assignees: Konica Corporation, Konica Minolta Opto, Inc.. Active years: 1993-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Irie. Retrieved from https://idiyas.com/inventor/yasushi-irie

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

USPTO Granted Patents = 9

% Patents Active = 88.9

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 23(Granted Patents)

Location History:

Hachioji, JP (1994)
Hino, JP (1993 - 2002)
Inagi, JP (1994 - 2012)

Company Filing History:

Konica Minolta Opto, Inc.

patents

Years Active: 1993-2012

Loading Chart...

9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8158039 - Method for producing optical film (2012-04-17),

2. 6346368 - Silver halide light sensitive color reversal photographic material (2002-02-12),

3. 5340710 - Photosensitive silver halide photographic material (1994-08-23),

4. 5332657 - Silver halide color photographic light-sensitive material offering (1994-07-26),

5. 5302500 - Silver halide color photographic light-sensitive material offering (1994-04-12),

6. 5212054 - Silver halide color photographic light-sensitive material (1993-05-18),

7. 5206126 - Color photographic light-sensitive material offering excellent hue (1993-04-27),

8. 5206124 - Light-sensitive silver halide color photographic material (1993-04-27),

9. 5180657 - Color photographic light-sensitive material offering excellent hue (1993-01-19),

Title: Yasushi Irie: Innovator in Optical Film and Photographic Materials

Introduction

Yasushi Irie is a prominent inventor based in Hino, Japan. He has made significant contributions to the fields of optical film and photographic materials. With a total of 9 patents to his name, Irie's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is a method for producing optical film. This method involves the use of a cellulose ester, a sugar ester prepared by esterification of a sugar compound formed by 1 to 12 structures selected by a furanose structure and a pyranose structure, along with an acryl type polymer having a weight average molecular weight of from 5,000 to 30,000, which are subjected to melt-casting. Another notable patent is for a silver halide light-sensitive color reversal photographic material. This material comprises a support having a blue-sensitive silver halide emulsion layer containing a yellow dye-forming coupler, a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler. The patent specifies that the RMS value at a density of 0.8 of the red-sensitive layer is within a range of 20 to 90% of the RMS value at a density of 0.8 of the green-sensitive layer.

Career Highlights

Throughout his career, Yasushi Irie has worked with notable companies such as Konica Corporation and Konica Minolta Opto, Inc. His expertise in optical technologies has positioned him as a key figure in the development of innovative materials.

Collaborations

Irie has collaborated with talented individuals in his field, including Hiroshi Shimazaki and Fumie Fukazawa. These collaborations have contributed to the advancement of his research and inventions.

Conclusion

Yasushi Irie is a distinguished inventor whose work in optical film and photographic materials continues to influence the industry. His innovative patents and collaborations highlight his commitment to advancing 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]