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For the Inventor, By the Inventor

Nisshin, Japan

Takeshi Kotani

This inventor holds 21 USPTO granted patents and 1 EPO patent. Top assignees: Toyota Jidosha Kabushiki Kaisha, Primearth Ev Energy Co., Ltd., Toyoda Jidosha Kabushiki Kaisha. Active years: 1984-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Kotani. Retrieved from https://idiyas.com/inventor/takeshi-kotani

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

USPTO Granted Patents = 21

% Patents Active = 81.0


Average Co-Inventor Count = 2.8

ph-index = 10

Forward Citations = 413(Granted Patents)


Location History:

  • Susono, JP (1984 - 1985)
  • Toyota, JP (1988)
  • Shizuoka, JP (1994)
  • Mishima, JP (1992 - 2000)
  • Aichi-ken, JP (2000)
  • Nissin, JP (2001)
  • Nisshin, JP (1999 - 2012)
  • Kosai, JP (2014)
  • Nagoya, JP (2017)

Company Filing History:

goldMedal20 out of 38,837 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal1 out of 43 
 
Primearth Ev Energy Co., Ltd.
 patents
bronzeMedal1 out of 25 
 
Toyoda Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1984-2017

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21 patents (USPTO):Explore Patents
1. 9550491 - Vehicle control apparatus (2017-01-24),
2. 8765300 - Battery manufacturing method, battery, pre-welding positive plate manufacturing method, and pre-welding positive plate (2014-07-01),
3. 8177671 - Control system for hybrid drive unit (2012-05-15),
4. 8091668 - Motor vehicle and control method of motor vehicle (2012-01-10),
5. 7813862 - Hybrid vehicle (2010-10-12),
6. RE38790 - Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein (2005-09-05),
7. 6726592 - Power output apparatus and automobile with power output apparatus mounted thereon (2004-04-27),
8. 6278195 - Power output apparatus, engine controller, and methods of controlling power output apparatus and engine (2001-08-21),
9. 6131680 - Power output apparatus and method of controlling the same (2000-10-17),
10. 6087734 - Power output apparatus, method of controlling power output apparatus, (2000-07-11),
11. 5936312 - Power output apparatus and method of controlling the same (1999-08-10),
12. 5545928 - Electric power generation control method in a hybrid vehicle utilizing (1996-08-13),
13. 5371412 - Control method and apparatus of engine for driving generator (1994-12-06),
14. 5174111 - Exhaust gas purification system for an internal combustion engine (1992-12-29),
15. 4719886 - Internal combustion engine siamese port type intake system construction (1988-01-19),

Title: Takeshi Kotani: Innovator in Vehicle Control and Battery Manufacturing

Introduction

Takeshi Kotani, an accomplished inventor hailing from Nisshin, Japan, has made significant contributions to the fields of vehicle control systems and battery manufacturing. With a total of 21 patents to his name, he has established himself as a prominent figure in innovation and technology.

Latest Patents

Among his latest inventions is a vehicle control apparatus designed to enhance acceleration performance during the startup of internal combustion engines in hybrid vehicles. This apparatus allows a hybrid ECU to execute a startup control process effectively. When it determines that the vehicle is operating under high-speed, high-load conditions without being in a warming-up state, it can adjust the engine's rotational speed more efficiently.

Additionally, he has developed a comprehensive battery manufacturing method that includes a unique electrode module design. This process features a positive plate, created by attaching a lead member to a cathode substrate made of foamed metal. His method addresses critical aspects such as the pre-welding positive plate formation and welding processes, ensuring high manufacturing standards for batteries.

Career Highlights

Takeshi Kotani has been associated with esteemed companies in the automotive sector, notably Toyota Motor Corporation and Toyoda Automatic Loom Works. His work in these organizations has played a pivotal role in driving innovations in automotive technology.

Collaborations

Throughout his career, Kotani has collaborated with notable professionals such as Kiyoshi Nakanishi and Mutsumi Kanda. Their combined expertise has contributed to the successful development and patenting of innovative technologies in their respective fields.

Conclusion

In summary, Takeshi Kotani represents a remarkable example of modern innovation. With his extensive collection of patents and collaborations with esteemed colleagues, he continues to push the boundaries of technology. His contributions significantly impact the automotive and battery manufacturing industries, paving the way for future advancements.

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]
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