Company Filing History:

60 out of 90,594

Canon Kabushiki Kaisha

patents

1 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

1

patent

where one patent can have more than one assignee

Years Active: 1976-2002

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62 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6351333 - Optical element and optical system having the same (2002-02-26),

2. 6188521 - Image displaying apparatus having magnification-changing system (2001-02-13),

3. 5757423 - Image taking apparatus (1998-05-26),

4. 5572372 - Optical apparatus provided with a driving unit for moving a lens (1996-11-05),

5. 5461500 - Polarization converting apparatus and optical instrument having the same (1995-10-24),

6. 5289318 - Optical apparatus provided with a driving unit for moving a lens (1994-02-22),

7. 5243462 - Image stabilizing apparatus (1993-09-07),

8. 5087935 - Active external distance measuring system having an optical device in (1992-02-11),

9. 5040881 - Image stabilization lens system (1991-08-20),

10. 4998809 - Image-stabilizing optical device (1991-03-12),

11. 4974009 - Focus detecting device and photographing apparatus provided with the same (1990-11-27),

12. 4963005 - Zoom lens having built-in diaphragm (1990-10-16),

13. 4929068 - Conversion lens (1990-05-29),

14. 4854681 - Compact zoom lens (1989-08-08),

15. 4854679 - Photographic system having front conversion lens (1989-08-08),

Title: The Pioneering Work of Inventor Sadahiko Tsuji in Yokohama, Japan

Introduction

Sadahiko Tsuji, a distinguished inventor hailing from Yokohama, Japan, has made significant contributions to the field of technology with his innovative creations and patented inventions. With a total of 62 patents to his name, Tsuji's inventive spirit and dedication to pushing the boundaries of technological advancement have left a lasting impact on the industry.

Latest Patents

Among Tsuji's latest patents is the "Optical element and optical system having the same," which features cutting-edge technology like curved surfaces with diffracting action to control the behavior of light. Additionally, his "Image displaying apparatus having magnification-changing system" patent showcases his skill in developing sophisticated image display solutions for enhanced user experience.

Career Highlights

Tsuji's illustrious career includes tenures at prestigious companies such as Canon and Toshiba. During his time at these renowned institutions, he honed his skills and expertise in the field of optics and imaging technology, laying the foundation for his groundbreaking inventions.

Collaborations

Collaboration plays a vital role in driving innovation, and Tsuji had the opportunity to work alongside talented individuals like Yasuhisa Sato and Sadatoshi Takahashi. Together, they combined their knowledge and skills to create groundbreaking technologies that have shaped the industry.

Conclusion

In conclusion, Sadahiko Tsuji emerges as a trailblazer in the world of invention, with a remarkable legacy that continues to influence the future of technology. His numerous patents and pioneering work in optical elements and image display systems are a testament to his creativity, expertise, and unwavering commitment to innovation. Tsuji's contributions have undoubtedly left an indelible mark on the industry, inspiring future generations of inventors to push the boundaries of what is possible in the world of technology.

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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.