Shun-ichi Ishikawa

This inventor holds 23 USPTO granted patents, primarily in Organic Electroluminescent Devices. Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1984-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shun-ichi Ishikawa. Retrieved from https://idiyas.com/inventor/shun-ichi-ishikawa

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

USPTO Granted Patents = 23

% Patents Active = 91.3

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 162(Granted Patents)

Location History:

Shizuoka, JP (1984 - 1990)
Kanagawa-ken, JP (2000 - 2001)
Minami Ashigara, JP (2001 - 2002)
Kanagawa, JP (1988 - 2010)

Company Filing History:

20 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1984-2010

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Areas of Expertise:

Organic Electroluminescent Device

Gas-Barrier Laminate Film

Image Display Device

Dye-Forming Method

Color Developing Compositions

Photosensitive Materials

Image-Recording Apparatus

Heat Developable Light-Sensitive Material

Photopolymerizable Compositions

Image Forming Method

Acid-Generating Composition

Photodegradable Microcapsules

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7800301 - Organic electroluminescent device comprising a prism structure (2010-09-21),

2. 7709097 - Gas-barrier laminate film and image display device comprising same (2010-05-04),

3. 7560727 - Organic electroluminescent element having a prism structure (2009-07-14),

4. 6952294 - Method of reading an image, method of forming a color image, device for forming a color image, silver halide color photosensitive material, and a device for processing a photosensitive material (2005-10-04),

5. 6545157 - Dye-forming method, color developing compositions, photosensitive materials and color developing agent precursors (2003-04-08),

6. 6494627 - Image-recording apparatus (2002-12-17),

7. 6432615 - Acid-generating composition and recording material using the same (2002-08-13),

8. 6372416 - Dye-forming method, color developing compositions, photosensitive materials and color developing agent precursors (2002-04-16),

9. 6303269 - Dye precursor, photosensitive material containing dye precursor and method for forming color image (2001-10-16),

10. 6183933 - Image forming method and system (2001-02-06),

11. 6155726 - Image forming method and system (2000-12-05),

12. 6051359 - Heat developable light-sensitive material and method of forming color (2000-04-18),

13. 6022673 - Image forming method (2000-02-08),

14. 5858629 - Method of forming images (1999-01-12),

15. 5756269 - Method of forming images (1998-05-26),

Title: Shun-ichi Ishikawa: Innovator in Organic Electronics

Introduction

Shun-ichi Ishikawa, an esteemed inventor based in Kanagawa, Japan, has made remarkable contributions to the field of organic electronics. With a portfolio of 23 patents to his name, he has been a key player in advancing technologies that have significant applications in display devices and electroluminescent systems.

Latest Patents

Among his latest innovations, Ishikawa developed an organic electroluminescent device featuring a prism structure. This groundbreaking patent discloses a design that comprises a first electrode, a second electrode, and an organic layer that contains a luminescent layer situated between the two electrodes. The device’s innovative aspect lies in the prism structure, which is strategically arranged to enhance performance by ensuring that the apexes of the prisms face the transparent substrate side, with a coefficient of variation in the pitch of the apexes of at least 1%.

Additionally, Ishikawa has patented a gas-barrier laminate film, which is crucial for moisture protection in flexible organic EL devices. This film consists of at least one inorganic layer and an organic layer featuring a polymer complexity derived from a bi- or more-functional polymerizing monomer that includes at least one sulfonyl group. The resulted laminate film displays exceptional resistance to moisture penetration, enhancing device longevity and reliability.

Career Highlights

Shun-ichi Ishikawa has built his illustrious career working with reputable companies, including Fuji Photo Film Company, Limited and Fujifilm Corporation. His professional journey reflects a deep commitment to research and development in the electronics industry, significantly contributing to advancements in organic technologies.

Collaborations

Throughout his career, Ishikawa has collaborated with distinguished colleagues, including Kazuhiko Matsumoto and Fumiaki Shinozaki. These partnerships have fostered an innovative environment that has allowed for the exploration and development of cutting-edge technologies in organic electroluminescence and related fields.

Conclusion

Shun-ichi Ishikawa stands out as a prominent inventor whose work in organic electronics continues to influence the industry. His innovative patents not only pave the way for future technological advancements but also showcase the importance of collaboration in creating substantial improvements in electronic devices. As the field of organic electronics evolves, Ishikawa's contributions remain a testament to the potential of innovation and the impact of dedicated inventors on 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]