Company Filing History:

22 out of 42,496

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1980-1996

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5587235 - Magnetic recording medium and magnetic recording apparatus (1996-12-24),

2. 5270987 - Magneto-optical recording and reproducing method, magneto-optical memory (1993-12-14),

3. 5034243 - Method for magnetic orientation of magnetic recording medium using (1991-07-23),

4. 4828592 - Polarization plane maintaining optical fiber fabricating method (1989-05-09),

5. 4786553 - Magnetic recording medium (1988-11-22),

6. 4604577 - Temperature-compensated magnetic field measuring instrument (1986-08-05),

7. 4581579 - Optical magnetic-field measuring apparatus having improved temperature (1986-04-08),

8. 4570064 - Optical D.C. electric-field measuring apparatus with optic sensing means (1986-02-11),

9. 4505729 - Method of producing optical fiber preform (1985-03-19),

10. 4483617 - Optical gyroscope with large propagation constant difference (1984-11-20),

11. 4426216 - Process for producing optical glass (1984-01-17),

12. 4426129 - Optical fiber and method of producing the same (1984-01-17),

13. 4406518 - Single-mode-transmission optical fiber and a method of manufacturing the (1983-09-27),

14. 4390460 - Lithium oxide based amorphous material and process for preparation (1983-06-28),

15. 4324576 - Method for producing optical glass (1982-04-13),

Title: Tsuneo Suganuma: Pioneering Inventor from Tokorozawa

Introduction: Tsuneo Suganuma is a renowned inventor hailing from Tokorozawa, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Suganuma holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Suganuma has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Suganuma has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Tsuneo Suganuma's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in the global tech community.

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