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For the Inventor, By the Inventor

Tokyo, Japan

Kenji Tokunaga

This inventor holds 16 USPTO granted patents. Top assignees: Hitachi, Ltd., Mitsubishi Materials Corporation, Renesas Technology Corp.. Active years: 1992-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Tokunaga. Retrieved from https://idiyas.com/inventor/kenji-tokunaga

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

USPTO Granted Patents = 16

% Patents Active = 50.0

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 431(Granted Patents)


Location History:

  • Kanagawa, JP (2002 - 2003)
  • Hachioji, JP (2005 - 2008)
  • Tokyo, JP (1992 - 2021)

Company Filing History:

goldMedal5 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 1,555 
 
Mitsubishi Materials Corporation
 patents
bronzeMedal3 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 2 out of 57 
 
Hitachi Plant Engineering Construction Co., Ltd.
 patents
5. 2 out of 17 
 
Semiconductor Leading Edge Technologies, Inc.
 patents
6. 2 out of 7 
 
Trecenti Technologies, Inc.
 patents
7. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
8. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2021

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16 patents (USPTO):Explore Patents
1. 11117833 - Rapid-hardening mortar composition (2021-09-14),
2. 10829416 - Rapid-hardening admixture and method for producing same (2020-11-10),
3. 10800701 - Rapid-hardening cement composition (2020-10-13),
4. 7314345 - Semiconductor container opening/closing apparatus and semiconductor device manufacturing method (2008-01-01),
5. 7077173 - Wafer carrier, wafer conveying system, stocker, and method of replacing gas (2006-07-18),
6. 7048493 - Method of manufacturing a semiconductor integrated circuit device which prevents foreign particles from being drawn into a semiconductor container containing semiconductor wafers (2006-05-23),
7. 6958288 - Semiconductor device and manufacturing method thereof (2005-10-25),
8. 6867153 - Method of purging wafer receiving jig, wafer transfer device, and method of manufacturing semiconductor device (2005-03-15),
9. 6817822 - Load port, wafer processing apparatus, and method of replacing atmosphere (2004-11-16),
10. 6688106 - Waste processing system and fuel reformer used in the waste processing system (2004-02-10),
11. 6652212 - Cylinder, load port using it, and production system (2003-11-25),
12. 6473996 - Load port system for substrate processing system, and method of processing substrate (2002-11-05),
13. 6442938 - Waste processing system and fuel reformer used in the waste processing system (2002-09-03),
14. 6282902 - Waste processing system and fuel reformer used in the waste processing system (2001-09-04),
15. 6058856 - Waste processing system and fuel reformer used in the waste processing (2000-05-09),

Title: Kenji Tokunaga - Innovative Inventor from Tokyo, JP

Introduction: Kenji Tokunaga is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kenji Tokunaga holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise.

Career Highlights: With over two decades of experience in the industry, Kenji Tokunaga has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach modern challenges.

Collaborations: Throughout his career, Kenji Tokunaga has collaborated with top companies and fellow inventors to bring his ideas to life, fostering a culture of innovation and creativity in the field.

Conclusion: Kenji Tokunaga's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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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