Takamasa Usui

USPTO Granted Patents = 50 (Patent Applications = 2)

Average Co-Inventor Count = 3.3

ph-index = 12

Forward Citations = 469(Granted Patents)

Forward Citations (Not Self Cited) = 457(Oct 12, 2025)

Location History:

Wappingers Falls, NY (US) (1998)
Kawasaki, JP (2000 - 2005)
Kanagawa-ken, JP (1999 - 2009)
Tokyo, JP (2006 - 2012)
Fujisawa, JP (2003 - 2013)
Selkirk, NY (US) (2010 - 2014)
Mie-ken, JP (2017)
Koto, JP (2020)
Yokkaichi, JP (2015 - 2023)

Company Filing History:

35 out of 52,711

Kabushiki Kaisha Toshiba

patents

5 out of 2,955

Toshiba Memory Corporation

patents

3 out of 135

Semiconductor Technology Academic Research Center

patents

4. 3 out of 10,295

Tokyo Electron Limited

patents

5. 3 out of 1,479

Ibiden Company Limited

patents

6. 3 out of 164,108

International Business Machines Corporation

Toshiba America Electronic Components, Inc.

patents

where one patent can have more than one assignee

Years Active: 1998-2025

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50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12272676 - Memory device (2025-04-08),

2. 11817428 - Memory device (2023-11-14),

3. 11270980 - Memory device (2022-03-08),

4. 10879137 - Template, template component, and semiconductor device manufacturing method (2020-12-29),

5. 10868029 - Staggered semiconductor memory device (2020-12-15),

6. 10741527 - Memory device (2020-08-11),

7. 10297578 - Memory device (2019-05-21),

8. 9887262 - Semiconductor device (2018-02-06),

9. 9589974 - Nonvolatile semiconductor memory device and method for manufacturing same (2017-03-07),

10. 9196609 - Semiconductor device (2015-11-24),

11. 8772942 - Interconnect structure employing a Mn-group VIIIB alloy liner (2014-07-08),

12. 8716134 - Interconnect structure employing a Mn-group VIIIB alloy liner (2014-05-06),

13. 8456186 - Reliability evaluation test apparatus, reliability evaluation test system, contactor, and reliability evaluation test method (2013-06-04),

14. 8377822 - Semiconductor device and manufacturing method thereof (2013-02-19),

15. 8133813 - Semiconductor device with a barrier film (2012-03-13),

Title: The Innovative Journey of Takamasa Usui

Introduction: Takamasa Usui is a pioneering inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Takamasa Usui holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Usui has worked for leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Takamasa Usui has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Takamasa Usui's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech community.

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2 patents pending:

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