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For the Inventor, By the Inventor

Tokyo, Japan

Nisshinbo Holdings Inc.

Calculating rank
USPTO Granted Patents = 87

% Expired Patents = 8.0



Trademarks = 8

Forward Citations = 101

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116 inventors (with patents filed for the assignee):

goldMedal Takeaki Kishimoto (28 out of 28 patents)

silverMedal Jun-ichi Ozaki (19 out of 19 patents)

bronzeMedal Gen Masuda (13 out of 33 patents)

4.  Yoshikazu Kobayashi (9 out of 9 patents)

5.  Tetsutaro Sato (8 out of 8 patents)

6.  Yuji Kubota (8 out of 8 patents)

7.  Yasuo Imashiro (8 out of 60 patents)

8.  Kazutoshi Hayakawa (7 out of 10 patents)

9.  Toshifumi Hashiba (7 out of 10 patents)

10.  Rieko Kobayashi (6 out of 6 patents)

11.  Erina Matsuzaka (6 out of 6 patents)

12.  Chihiro Fujii (5 out of 5 patents)

13.  Yasuhiro Toriyama (4 out of 5 patents)

14.  Takuya Maie (4 out of 4 patents)

15.  Siyu Ye (4 out of 14 patents)


Core Competencies:
Carbon Catalyst
Battery Electrode
Fuel Cell Separator
Electrolyte Additive
Gas Sensor
Hydrogen Storage
Acoustic Matching Layer
Photovoltaic Devices
Metal-Loaded Catalyst
Ionic Liquid
Conductive Particles
Flexible Carbon Fiber

87 patents:

1. 12703793 - Marine-biodegradation accelerator (2026-08-11),
2. 12559611 - Hydrophobic alginic acid particle group and method for producing same (2026-02-24),
3. 12489121 - Metal-loaded catalyst, battery electrode and battery (2025-12-02),
4. 12441850 - Amphiphilic alginic acid particle group and method for producing same (2025-10-14),
5. 12438191 - Electrolyte additive (2025-10-07),
6. 12362365 - Metal-supported catalyst, battery electrode, and battery (2025-07-15),
7. 12253493 - Gas sensor with indirect pass-through ventilation (2025-03-18),
8. 12249722 - Metal-loaded catalyst, battery electrode and battery (2025-03-11),
9. 12202239 - Method for fixing smooth materials using ionic liquid (2025-01-21),
10. 12132235 - Fuel cell separator (2024-10-29),
11. 12132212 - Metal supported catalyst, battery electrode, and battery (2024-10-29),
12. 12080896 - Carbon catalyst, battery electrode, and battery (2024-09-03),
13. 12060374 - Silyl ether-containing sulfonate salt (2024-08-13),
14. 12012501 - Resin composition for acoustic matching layer (2024-06-18),
15. 11769606 - Conductive metal paste (2023-09-26),
Company Overview
Nisshinbo Holdings Inc., headquartered in Tokyo, Japan, specializes in advanced carbon catalyst technology, contributing to various sectors including energy and environmental solutions. The company focuses on the development and manufacturing of innovative products such as battery electrodes, fuel cell separators, and electrolyte additives. Additionally, Nisshinbo is involved in creating gas sensors, hydrogen storage systems, acoustic matching layers, and photovoltaic devices, positioning itself as a key player in sustainable technology advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

87 Patents

#595 in Tokyo

#1,230 in Japan

#8,784 in the World

Tokyo, JP
Tokyo, Japan

Nisshinbo Holdings Inc.

Forward Citations = 101

116 inventors:

goldMedal Takeaki Kishimoto (28 out of 28 patents)

silverMedal Jun-ichi Ozaki (19 out of 19 patents)

bronzeMedal Gen Masuda (13 out of 33 patents)

4.  Yoshikazu Kobayashi (9 out of 9 patents)

5.  Tetsutaro Sato (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nisshinbo Holdings Inc.. Retrieved from https://idiyas.com/company/nisshinbo-holdings

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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