This inventor holds 93 USPTO granted patents and 24 published patent applications and 23 EPO patents, primarily in Turbocharger Technology (CPC class F05D2220-40). Top assignees: Canon Kabushiki Kaisha, Nippon Steel Corporation, Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.. Active years: 1987-2026.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Arai. Retrieved from https://idiyas.com/inventor/takashi-arai
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 93 (Patent Applications = 24)
% Patents Active = 77.4
EPO Patents = 23 (Patent Applications = 32)
Average Co-Inventor Count = 2.5
ph-index = 12
Forward Citations = 490(Granted Patents)
Forward Citations (Not Self Cited) = 475(Dec 10, 2025)
Inventors with similar research interests:
Location History:
- Satsute, JP (1997)
- Hikari, JP (1995 - 2007)
- Ibaraki, JP (2006 - 2007)
- Futtsu, JP (2007)
- Ryugasaki, JP (2010)
- Machida, JP (2000 - 2017)
- Musashino, JP (2017)
- Tsu, JP (2017)
- Kisarazu, JP (2020)
- Saitama, JP (2007 - 2023)
- Tokyo, JP (1987 - 2024)
Company Filing History:
32 out of 93,344 
Canon Kabushiki Kaisha
14 out of 3,727 Nippon Steel Corporation
10 out of 308 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
4. 8 out of 4,765
Mitsubishi Heavy Industries Limited
5. 8 out of 1,423
Yokogawa Electric Corporation
6. 5 out of 16,686
Mitsubishi Electric Corporation
7. 4 out of 22,925
Honda Motor Co., Ltd.
8. 3 out of 2,298
Autonetworks Technologies, Limited
9. 3 out of 61
Jxtg Nippon Oil & Energy Corporation
10. 3 out of 456
Kyushu University
11. 3 out of 1,102
Nippon Steel Sumitomo Metal Corporation
12. 3 out of 10,683
Sumitomo Electric Industries, Limited
13. 3 out of 6,447
Sumitomo Wiring Systems, Limited
14. 2 out of 701
Daicel Corporation
15. 2 out of 1,326
Mitsubishi Jukogyo Kabushiki Kaisha
16. 1 out of 1
Collective Intelligence
17. 1 out of 156
Eneos Corporation
18. 1 out of 36,790
Nec Corporation
19. 1 out of 2,502
Ntn Corporation
20. 1 out of 715
Socionext Inc.
21. 1 out of 58,151
Sony Corporation
22. 1 out of 42
Sony Mobile Communications Japan, Inc.
where one patent can have more than one assignee
Years Active: 1987-2026
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Areas of Expertise:
Turbocharger
Turbine Housing
Impeller
Electric Motor
Control System
Fuel Cell
Temperature Difference Power Generation
Data Collection
Blood Filter
Photovoltaic Power Generation
Constant Velocity Joint
Metal Surface Coating
93 patents (USPTO):Explore Patents
As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I focus solely on these areas.
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]
24 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Arai. Retrieved from https://idiyas.com/inventor/takashi-arai
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]
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]
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]
23 patents (EPO):
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]
32 patents pending (EPO):
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]