Company Filing History:

33 out of 42,508

Hitachi, Ltd.

Toyo Glass Company, Limited

patents

4. 1 out of 1

Hitachi, Ltd. Hitachi Cabel

patent

where one patent can have more than one assignee

Years Active: 1983-2011

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38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7921672 - Method for manufacturing GRIN lens (2011-04-12),

2. 7603008 - Optical fiber coupling part and manufacturing method thereof (2009-10-13),

3. 7357005 - Fiber optic collimator system, fiber optic collimator array, and manufacturing method of the fiber optic collimator system and fiber optic collimator array system (2008-04-15),

4. 7346237 - Optical fiber coupling part (2008-03-18),

5. 5867809 - Electric appliance, printed circuit board, remained life estimation (1999-02-02),

6. 5340637 - Optical device diffraction gratings and a photomask for use in the same (1994-08-23),

7. 4933728 - Semiconductor optical device (1990-06-12),

8. 4905057 - Semiconductor devices (1990-02-27),

9. 4900134 - Optical device (1990-02-13),

10. 4887877 - Optical devices and optical integrated circuits (1989-12-19),

11. 4861130 - Optical modulating device utilizing polariton substance (1989-08-29),

12. 4847573 - Optical modulator (1989-07-11),

13. 4841536 - Semiconductor laser devices (1989-06-20),

14. 4840446 - Photo semiconductor device having a multi-quantum well structure (1989-06-20),

15. 4838633 - Semiconductor device with high speed signal transmission arrangement (1989-06-13),

Title: The Innovative Journey of Hiroyoshi Matsumura

Introduction: Hiroyoshi Matsumura is a pioneering inventor based in Saitama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Matsumura holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation and creativity.

Career Highlights: With a career spanning over two decades, Matsumura has been at the forefront of technological advancements, with a focus on developing solutions that have the potential to revolutionize industries.

Collaborations: Throughout his career, Matsumura has collaborated with leading research institutions, universities, and innovative companies to further his inventions and bring them to life in the market.

Conclusion: Hiroyoshi Matsumura's relentless pursuit of innovation and his passion for creating solutions that make a difference have solidified his position as a prominent figure in the world of inventors and innovators.

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4 patents (EPO):

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