Katsukiyo Ishikawa

This inventor holds 23 USPTO granted patents, primarily in Photosensitive Materials. Top assignee: Nippon Paint Compnay, Ltd.. Active years: 1981-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsukiyo Ishikawa. Retrieved from https://idiyas.com/inventor/katsukiyo-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 = 100.0

Average Co-Inventor Count = 3.1

ph-index = 10

Forward Citations = 250(Granted Patents)

Location History:

Neyagawa, JP (1981)
Kuze, JP (1987 - 1993)
Kyoto, JP (1987 - 1993)
Kuze-gun, JP (1997)

Company Filing History:

23 out of 827

Nippon Paint Compnay, Ltd.

patents

Years Active: 1981-1997

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Areas of Expertise:

Multicolor Display

Ferrite Coatings

Photosensitive Resin

Electrodeposition

Color Filter

Toner Composition

Printed Circuit Board

Electrophotographic Developer

Magnetic Carrier Particles

Solder Masked Boards

Image-Forming Method

Water-Developable Composition

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5663019 - Process for producing multicolor display (1997-09-02),

2. 5215782 - Method of forming ferrite coatings (1993-06-01),

3. 5213946 - Positive type, photosensitive resinous composition (1993-05-25),

4. 5213850 - Process for plating a metallic deposit between functional pattern lines (1993-05-25),

5. 5186801 - Production of color filter (1993-02-16),

6. 5181984 - Production of solder masked electric circuit boards (1993-01-26),

7. 5175076 - Water-developable photosensitive composition for producing relief plates (1992-12-29),

8. 5166036 - Electrodeposition coating composition and image-forming method using the (1992-11-24),

9. 5055374 - Electrodeposition coating composition containing an acrylic resin and a (1991-10-08),

10. 4999274 - Positive type photosensitive resinous composition with 1,2 quinone (1991-03-12),

11. 4977053 - Magnetic-shell-coated toner (1990-12-11),

12. 4946757 - Positive type 1,2 quinone diazide containing photosensitive resinous (1990-08-07),

13. 4920187 - Process for preparing particles having monodisperse particle size (1990-04-24),

14. 4911957 - Method of forming ferrite film on particles or fibers (1990-03-27),

15. 4902592 - Production of color display (1990-02-20),

Title: Katsukiyo Ishikawa: A Pioneer in Multicolor Display Technology

Katsukiyo Ishikawa, located in Kyoto, Japan, is a notable inventor with 23 patents to his name. His contributions to the field of display technology and materials science have made a significant impact, particularly through his work at Nippon Paint Company, Ltd.

Latest Patents

Among Katsukiyo Ishikawa's latest innovations are a 'Process for Producing Multicolor Display' and a 'Method of Forming Ferrite Coatings.' The latter patent discloses an innovative method for forming ferrite coatings on a substrate, which enhances the performance of various electronic devices. These advancements reflect his dedication to pushing the boundaries of technology.

Career Highlights

Katsukiyo Ishikawa's career at Nippon Paint Company, Ltd. has been marked by his relentless pursuit of innovation. His impressive portfolio of patents showcases his commitment to developing new techniques that improve product quality and efficiency. His expertise in material coatings and display technologies places him at the forefront of his industry.

Collaborations

Throughout his career, Katsukiyo has collaborated with esteemed colleagues like Kanji Nishijima and Mamoru Seio. Their combined efforts have led to several breakthrough innovations, illustrating the power of teamwork in driving advancements in technology.

Conclusion

In conclusion, Katsukiyo Ishikawa stands out as a leading inventor in the field of display technology, with a notable focus on multicolor displays and advanced coating methods. His numerous patents and collaborative efforts continue to contribute to ongoing innovations at Nippon Paint Company, Ltd., shaping the future of technology in Japan and beyond.

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]