Company Filing History:

18 out of 42,485

Hitachi, Ltd.

patents

2 out of 1,641

Hitachi Chemical Company, Ltd.

patents

1 out of 1

Fuji Fiber Glass Co., Ltd.

where one patent can have more than one assignee

Years Active: 1981-2007

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19 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7198962 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step (2007-04-03),

2. 6566150 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step (2003-05-20),

3. 6455335 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step (2002-09-24),

4. 6297073 - Semiconductor device (2001-10-02),

5. 6197603 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step (2001-03-06),

6. 6130112 - Semiconductor device (2000-10-10),

7. 6049128 - Semiconductor device (2000-04-11),

8. 5837567 - Lead frame and semiconductor device (1998-11-17),

9. 5671316 - Connecting structure of optical fiber to optical waveguide (1997-09-23),

10. 5637914 - Lead frame and semiconductor device encapsulated by resin (1997-06-10),

11. 5608265 - Encapsulated semiconductor device package having holes for electrically (1997-03-04),

12. 5569960 - Electronic component, electronic component assembly and electronic (1996-10-29),

13. 5195155 - Optical coupling apparatus and manufacturing method of the same, and (1993-03-16),

14. 5046798 - Semiconductor light emitting device and apparatus using the same (1991-09-10),

15. 4880290 - Opto-electronic device and method for producing the device (1989-11-14),

Title: Tetsuo Kumazawa: Pioneering Innovations in Semiconductor Devices

Introduction:

Tetsuo Kumazawa, a visionary inventor hailing from Ibaraki-ken, Japan, has made a significant mark in the world of technology with his relentless pursuit of innovation and commitment to pushing the boundaries of what is deemed possible. His work not only showcases his immense talent but also serves as an inspiration for future generations to think creatively and strive for excellence in all their endeavors.

Latest Patents:

One of Kumazawa's latest patents involves a groundbreaking semiconductor device and its manufacturing method. By incorporating a probe test step and a burn-in test step, he has managed to ensure that the dispersion of load remains within an allowable range even when multiple probes in a large area are pressed in batch. This innovation significantly enhances the reliability and productivity of semiconductor devices by allowing the probing of a large number of integrated circuits simultaneously.

Career Highlights:

Throughout his illustrious career, Kumazawa has amassed an impressive total of 19 patents, showcasing his dedication to innovation in the field of technology. He has been instrumental in revolutionizing semiconductor device manufacturing processes, thus solidifying his reputation as a true pioneer in the industry.

Collaborations:

Kumazawa's innovative spirit has been further amplified through his collaborations with esteemed companies such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. Working alongside talented individuals like Makoto Kitano and Ryuji Kohno, he has been able to synergize his vision with the expertise of his peers, resulting in groundbreaking advancements in the realm of technology.

Conclusion:

In conclusion, Tetsuo Kumazawa's contributions to the world of technology are nothing short of remarkable. His unwavering dedication to innovation and his ability to push the boundaries of what is achievable have cemented his status as a true visionary in the realm of inventors. As his work continues to inspire future generations, one can only wonder what groundbreaking inventions he will unveil next.

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