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For the Inventor, By the Inventor

Kyoto, Japan

Nippon Itf, Inc


USPTO Granted Patents = 11

% Expired Patents = 27.3


Forward Citations = 15

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27 inventors (with patents filed for the assignee):

goldMedal Hideki Moriguchi (5 out of 5 patents)

silverMedal Takehiko Ooshiro (5 out of 6 patents)

bronzeMedal Takahiro Okazaki (4 out of 7 patents)

4.  Yoshihiro Ito (4 out of 54 patents)

5.  Akinori Shibata (4 out of 4 patents)

6.  Hiroyuki Sugiura (4 out of 41 patents)

7.  Koji Miyake (3 out of 14 patents)

8.  Masanori Tsujioka (2 out of 4 patents)

9.  Tadashi Saito (2 out of 8 patents)

10.  Tetsumi Arahi (2 out of 2 patents)

11.  Katsuaki Ogawa (2 out of 18 patents)

12.  Yoshikazu Tanaka (2 out of 12 patents)

13.  Satoshi Yoshida (2 out of 11 patents)

14.  Yoshiharu Utsumi (1 out of 18 patents)

15.  Makoto Setoyama (1 out of 34 patents)


11 patents:

1. 11851741 - Hard carbon film, manufacturing method for same, and sliding member (2023-12-26),
2. 11293548 - Sliding member and coating film (2022-04-05),
3. 11261519 - Coating film, manufacturing method therefor, and PVD apparatus (2022-03-01),
4. 11247903 - Coating film, method for manufacturing same, and PVD apparatus (2022-02-15),
5. 10634249 - Piston ring and engine (2020-04-28),
6. 10458548 - Piston ring and method for manufacturing same (2019-10-29),
7. 10457885 - Coating film, manufacturing method for same, and PVD device (2019-10-29),
8. 10428416 - Coating film, manufacturing method for same, and PVD device (2019-10-01),
9. 9953808 - Arc evaporation source (2018-04-24),
10. 7955691 - Hard amorphous carbon film (2011-06-07),
11. 6998034 - Vacuum arc deposition apparatus (2006-02-14),
Company Overview
Nippon Itf, Inc. is a Kyoto-based company specializing in advanced technology solutions, particularly in the fields of information technology and telecommunications. The organization focuses on developing innovative products and services that enhance connectivity and efficiency across various sectors. With a commitment to research and development, Nippon Itf aims to contribute to the evolution of technology, addressing the needs of both local and global markets through cutting-edge solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#113 in Kyoto 615-0031

#4,134 in Japan

#51,714 in the World

Kyoto, JP
Kyoto, Japan

Nippon Itf, Inc

Forward Citations = 15

27 inventors:

goldMedal Hideki Moriguchi (5 out of 5 patents)

silverMedal Takehiko Ooshiro (5 out of 6 patents)

bronzeMedal Takahiro Okazaki (4 out of 7 patents)

4.  Yoshihiro Ito (4 out of 54 patents)

5.  Akinori Shibata (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Itf, Inc. Retrieved from https://idiyas.com/company/nippon-itf

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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