Company Filing History:

9 out of 8,889

Nikon Corporation

Years Active: 1977-2001

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6219189 - Objective lens unit for reflective fluorescence and reflective fluorescence microscope having an objective lens unit for reflective fluorescence (2001-04-17),

2. 5844729 - Wide angle photographic lens (1998-12-01),

3. 5757552 - Microscope objective lens and a microscope incorporating same (1998-05-26),

4. 5668673 - Catadioptric reduction projection optical system (1997-09-16),

5. 5579167 - Super-wide field eyepiece (1996-11-26),

6. 5477388 - Inverse telescopic wide angle lens (1995-12-19),

7. 5321554 - Inverse telescopic wide angle lens (1994-06-14),

8. 5175652 - Imaging optical system (1992-12-29),

9. 4946265 - Microscope whose enlargement magnification is changeable (1990-08-07),

10. 4666256 - Microscope objective lens (1987-05-19),

11. 4592624 - Objective lens for microscope of low magnification (1986-06-03),

12. 4588264 - Microscope objective lens (1986-05-13),

13. 4316653 - Condenser optical system for a microscope (1982-02-23),

14. 4186993 - Epidark illumination system (1980-02-05),

15. 4027951 - Parfocal low-magnification microscope objective lens systems (1977-06-07),

Title: The Innovative Contributions of Yoshiyuki Shimizu

Introduction

Yoshiyuki Shimizu is a prominent inventor based in Miura, Japan. He has made significant contributions to the field of optical technology, holding a total of 15 patents. His work primarily focuses on advancements in lens design and microscopy.

Latest Patents

Shimizu's latest patents include an objective lens unit for reflective fluorescence and a reflective fluorescence microscope equipped with this lens unit. This innovative lens unit is designed to transmit excitation light effectively while minimizing self-fluorescence and correcting various optical aberrations. The configuration includes a front lens group positioned closer to the specimen than the rear lens group, utilizing specialized optical materials that enhance light transmission and reduce fluorescence.

Another notable patent is for a small, lightweight wide-angle photographic lens. This lens features an attachment size of less than approximately 3.5 times the focal length and offers a field angle of approximately 100 degrees. The design incorporates multiple lenses with specific refractive properties, ensuring high-quality imaging while maintaining a compact form factor.

Career Highlights

Throughout his career, Yoshiyuki Shimizu has worked with renowned companies such as Nikon Corporation and Nippon Kogaku K.K. His expertise in optical engineering has led to numerous advancements in lens technology, making him a respected figure in the industry.

Collaborations

Shimizu has collaborated with notable colleagues, including Toshiro Ishiyama and Yutaka Suenaga. These partnerships have contributed to the development of innovative optical solutions and have furthered the field of microscopy and photography.

Conclusion

Yoshiyuki Shimizu's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in microscopy and lens design, showcasing the importance of innovation in 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.