Company Filing History:

23 out of 42,485

Hitachi, Ltd.

patents

15 out of 164,108

International Business Machines Corporation

patents

1 out of 900

Hitachi Medical Corporation

patents

where one patent can have more than one assignee

Years Active: 1977-2011

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38 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7903911 - Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism (2011-03-08),

2. 7489840 - Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism (2009-02-10),

3. 7421858 - Optical transmission substrate, method for manufacturing optical transmission substrate and optoelectronic integrated circuit (2008-09-09),

4. 7373044 - Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism (2008-05-13),

5. 7212713 - Optical transmission substrate, method for manufacturing optical transmission substrate and optoelectronic integrated circuit (2007-05-01),

6. 6947671 - Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism (2005-09-20),

7. 6295106 - Energy-efficient full-color liquid crystal display (2001-09-25),

8. 6249328 - Liquid crystal display device having red, green, and blue fluorescent lamps having a particular phosphor composition or a double tube lamp (2001-06-19),

9. 5638207 - Flare-prevention optical system, flare-prevention method, and flying (1997-06-10),

10. 5547705 - Nonlinear optical device and method of manufacturing same (1996-08-20),

11. 5502565 - Method and apparatus for measuring the flying height of a magnetic head (1996-03-26),

12. 5287377 - Coupled quantum well tunable laser (1994-02-15),

13. 5281543 - Fabrication method for quantum devices in compound semiconductor layers (1994-01-25),

14. 5170226 - Fabrication of quantum devices in compound semiconductor layers and (1992-12-08),

15. 5157543 - Optical beam deflector (1992-10-20),

Title: The Innovative Contributions of Tadashi Fukuzawa

Introduction

Tadashi Fukuzawa, based in Tokyo, Japan, is a notable inventor with an impressive portfolio of 38 patents. His innovative inventions primarily focus on optical technologies, reflecting a deep understanding of complex information processing systems.

Latest Patents

Among Fukuzawa’s latest patents are several groundbreaking inventions that include an optical link module, an optical interconnection method, and an information processor comprising the optical link module. His optical link module is designed for connecting light beams through deflection, incorporating light-emitting devices arranged in a planar format. It integrates an optical fiber bundle that acts as an optical waveguide to receive light beams from the devices, along with an optical turn that utilizes a range of aspherical lenses tailored to the number of light-emitting devices and optical fibers involved. Such innovations exemplify his contributions to advancing optical connectivity and efficiency in information processes.

Career Highlights

Fukuzawa’s career is marked by his association with prestigious companies such as Hitachi, Ltd. and International Business Machines Corporation (IBM). His tenure in these organizations has allowed him to work on advanced technologies, further enhancing his expertise in optical innovations.

Collaborations

Throughout his career, Fukuzawa has collaborated with esteemed colleagues, including Naoki Chinone and Michiharu Nakamura. These partnerships have undoubtedly enriched his innovative work, leading to significant advancements in the field of optics and information processing.

Conclusion

Tadashi Fukuzawa stands out as a prolific inventor in the optical technology landscape, with a wealth of patents that demonstrate his creative problem-solving abilities. His contributions to optical link modules and methods signify critical advancements that impact various technological applications, reaffirming his status as a leading figure in innovation.

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