Company Filing History:

39 out of 42,496

Hitachi, Ltd.

patents

2 out of 56

Hitachi Maxwell, Ltd.

Hitachi Maxell, Limited

patents

where one patent can have more than one assignee

Years Active: 1981-2004

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39 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6731846 - Dispersion compensator and optical transmission system using same (2004-05-04),

2. 6463191 - Optical switching device and optical switching method (2002-10-08),

3. 5737467 - Resin molded optical assembly (1998-04-07),

4. 5644554 - Magnetic head load/unload device, method and a magneto-optical disk (1997-07-01),

5. 5462811 - Magneto-optical recording media and mangeto-optical device using the (1995-10-31),

6. 5434844 - Magneto-optical recording media and magneto-optical recording device (1995-07-18),

7. 5408452 - Optical information recording/reproducing system including novel (1995-04-18),

8. 5293567 - Optical recording method (1994-03-08),

9. 5270987 - Magneto-optical recording and reproducing method, magneto-optical memory (1993-12-14),

10. 5263015 - Magneto-optical recording media and overwrite recording method using the (1993-11-16),

11. 5253232 - Magneto-optical recording apparatus having a magnetic slider with (1993-10-12),

12. 5245491 - Magneto-optical head employing optical fiber connected stationary and (1993-09-14),

13. 5235591 - Stack type optical disc apparatus, sealed and separate type optical head (1993-08-10),

14. 5208827 - Semiconductor laser device having a transparent waveguide and a large (1993-05-04),

15. 5161135 - Magneto-optical disc memory apparatus including a header signal and (1992-11-03),

Title: The Innovative Journey of Masahiro Ojima

Introduction: Masahiro Ojima is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahiro Ojima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Masahiro Ojima has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

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

Conclusion: Masahiro Ojima's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a visionary inventor in the global tech community.

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