logo

For the Inventor, By the Inventor

Tokyo, Japan

Keihin Corporation

USPTO Granted Patents = 447

% Expired Patents = 58.8



Trademarks = 14

Forward Citations = 2,616

Loading Chart...
Loading Chart...

576 inventors (with patents filed for the assignee):

goldMedal Seiji Kamata (19 out of 24 patents)

silverMedal Shigeto Ryuen (17 out of 17 patents)

bronzeMedal Hirozumi Kon (14 out of 14 patents)

4.  Akira Akabane (14 out of 14 patents)

5.  Yasushi Kondo (14 out of 15 patents)

6.  Takahiro Seto (13 out of 13 patents)

7.  Junichi Kanemaru (11 out of 34 patents)

8.  Shinji Kakizaki (11 out of 30 patents)

9.  Hidefumi Abe (11 out of 11 patents)

10.  Takashi Namari (11 out of 11 patents)

11.  Kazuhito Tokugawa (10 out of 10 patents)

12.  Gaku Sato (9 out of 9 patents)

13.  Kazuki Ishikawa (9 out of 11 patents)

14.  Shinichi Ishikawa (9 out of 9 patents)

15.  Masato Ono (9 out of 9 patents)


Core Competencies:
Vehicular Air Conditioning
Power Conversion Device
Fuel Injection Control
Battery Monitoring
Motor Control
Temperature Detection
Valve Control
Electromagnetic Valve
Centrifugal Fan
Hydraulic Control
Electric Power Control
Battery Connection Module

447 patents:

1. 11331975 - Vehicular air conditioning device (2022-05-17),
2. 11267311 - Vehicular air conditioner (2022-03-08),
3. 11207994 - Mechano-electrical integrated power conversion device and drive device for electric automobile (2021-12-28),
4. 11204390 - Battery monitoring circuit board and battery monitoring device (2021-12-21),
5. 11187597 - Temperature detection device, abnormality detection device, and electric power conversion apparatus (2021-11-30),
6. 11171505 - Electric power control device (2021-11-09),
7. 11146203 - Motor control apparatus (2021-10-12),
8. 11117438 - Door actuating device (2021-09-14),
9. 11072523 - Pressure reducing valve for gas (2021-07-27),
10. 11047328 - Electromagnetic valve drive device (2021-06-29),
11. 10995680 - Sealing member and air intake controller (2021-05-04),
12. 10987995 - Vehicular air conditioning device (2021-04-27),
13. 10967708 - Door drive device (2021-04-06),
14. 10958141 - Air conditioning blower motor unit (2021-03-23),
15. 10935576 - Determination of operation status of shut-off element of battery module (2021-03-02),
Company Overview
Keihin Corporation, headquartered in Tokyo, Japan, specializes in advanced automotive technologies, particularly in the field of vehicle air conditioning systems. The company focuses on the development and manufacturing of innovative solutions such as power conversion devices, fuel injection control systems, and battery monitoring technologies. Keihin is also engaged in motor control, temperature detection, and valve control, including electromagnetic valves, contributing significantly to the efficiency and performance of modern vehicles.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

Keihin Corporation USPTO Patent Assignee Logo
447 Patents

#204 in Tokyo

#411 in Japan

#2,137 in the World

Tokyo, JP
Tokyo, Japan

Keihin Corporation

Forward Citations = 2,616

576 inventors:

goldMedal Seiji Kamata (19 out of 24 patents)

silverMedal Shigeto Ryuen (17 out of 17 patents)

bronzeMedal Hirozumi Kon (14 out of 14 patents)

4.  Akira Akabane (14 out of 14 patents)

5.  Yasushi Kondo (14 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keihin Corporation. Retrieved from https://idiyas.com/company/keihin

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]
Loading…