Company Filing History:

9 out of 2,861

Pioneer Electronic Corporation

Citizen Watch Company, Ltd.

patents

4. 1 out of 450

Citizen Holdings Company, Ltd.

patents

Years Active: 1985-2012

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8111594 - Optical disk drive and optical pickup having aberration correction means (2012-02-07),

2. RE40556 - Multi-layer information recording medium and information recording and reproducing apparatus (2008-10-27),

3. 7190664 - High density optical recording medium and method for reproducing thereof (2007-03-13),

4. RE39463 - Multi-layer information recording medium and information recording and reproducing apparatus (2007-01-08),

5. RE39322 - Multi-layer information recording medium and information recording and reproducing apparatus (2006-10-02),

6. 6773781 - Multi-layer information recording medium and information recording and reproducing apparatus (2004-08-10),

7. 6418104 - Tilt detector (2002-07-09),

8. 5615206 - Optical disk (1997-03-25),

9. 5608715 - Multi-layered recording disk and recording/reproducing system using the (1997-03-04),

10. 5546372 - Information detection light intensity control apparatus in optical disc (1996-08-13),

11. 5455817 - Second harmonics generating optical recording layer (1995-10-03),

12. 5381391 - Optical recording medium having a third non-linear optical reflection (1995-01-10),

13. 5365052 - Optical information reading apparatus with controlled numerical aperture (1994-11-15),

14. 5258968 - Tracking error signal generating device for preventing offset of the (1993-11-02),

15. 4919511 - Fibre-type light conversion device (1990-04-24),

Title: Seiichi Ohsawa: Pioneering Japanese Inventor

Introduction: Seiichi Ohsawa is a renowned Japanese inventor known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Seiichi Ohsawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies.

Career Highlights: Throughout his illustrious career, Seiichi Ohsawa has worked tirelessly to develop cutting-edge solutions that have revolutionized various industries. His innovative spirit and dedication to excellence have earned him recognition as a trailblazer in the world of invention.

Collaborations: Seiichi Ohsawa has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in turning his visionary concepts into tangible products that have had a lasting impact on society.

Conclusion: Seiichi Ohsawa's legacy as an inventor continues to inspire future generations to push the boundaries of what is possible through innovation and creativity.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.