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For the Inventor, By the Inventor

San Marcos, CA, United States of America

Napp Systems (USA), Inc.


USPTO Granted Patents = 12

Trademarks = 1

Forward Citations = 125

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13 inventors (with patents filed for the assignee):

goldMedal Sakuo Okai (4 out of 4 patents)

silverMedal Koichi Kimoto (4 out of 4 patents)

bronzeMedal Robert W Hallman (3 out of 9 patents)

4.  Sakuo Okai (2 out of 2 patents)

5.  Shozo Tsuchida (2 out of 2 patents)

6.  Eugene L Langlais (2 out of 3 patents)

7.  Mamoru Seio (1 out of 14 patents)

8.  Masami Kawabata (1 out of 13 patents)

9.  Hidefumi Kusuda (1 out of 6 patents)

10.  Lawrence E Howard (1 out of 4 patents)

11.  Dominic B Rubic (1 out of 1 patent)

12.  Ronald G Bohannon (1 out of 1 patent)

13.  Kiyomi Sakurai (1 out of 1 patent)


12 patents:

1. 4952481 - Photosensitive resin composition (1990-08-28),
2. 4540649 - Water developable photopolymerizable composition and printing plate (1985-09-10),
3. 4522910 - Photosensitive graphic arts article (1985-06-11),
4. 4472494 - Bilayer photosensitive imaging article (1984-09-18),
5. 4428659 - Apparatus and method for removing soluble portions of a coating (1984-01-31),
6. 4329422 - Post-exposure treating solution for photosensitive graphic arts articles (1982-05-11),
7. 4289071 - Shallow relief non-bottoming photopolymer printing plate (1981-09-15),
8. 4283481 - Element having phosphine activated photosensitive compositions therein (1981-08-11),
9. 4233391 - Water developable photopolymerizable compositions containing phosphine (1980-11-11),
10. 4164422 - Water developable, photopolymer printing plates having ink-repulsive (1979-08-14),
11. 4115123 - Shallow relief photopolymer printing plate and methods (1978-09-19),
12. 4115119 - Shallow relief photopolymer printing plate and methods (1978-09-19),
Company Overview
Napp Systems (USA), Inc., based in San Marcos, California, specializes in advanced technology solutions for various industries. The company focuses on developing innovative systems and software that enhance operational efficiency and productivity. With a strong emphasis on research and development, Napp Systems is dedicated to creating cutting-edge products that address the evolving needs of its clients. Its expertise spans multiple domains, including automation, data management, and integrated systems, positioning it as a key player in the technology landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#6 in San Marcos, CA

#6,061 in California

#25,557 in US

#48,163 in the World

San Marcos, CA (US)
San Marcos, CA, United States of America

Napp Systems (USA), Inc.

Forward Citations = 125

13 inventors:

goldMedal Sakuo Okai (4 out of 4 patents)

silverMedal Koichi Kimoto (4 out of 4 patents)

bronzeMedal Robert W Hallman (3 out of 9 patents)

4.  Sakuo Okai (2 out of 2 patents)

5.  Shozo Tsuchida (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Napp Systems (USA), Inc.. Retrieved from https://idiyas.com/company/napp-systems-usa

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

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]
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