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For the Inventor, By the Inventor

Tokyo, Japan

Tadashi Fukuzawa

This inventor holds 38 USPTO granted patents, primarily in Optical Devices. Top assignees: Hitachi, Ltd., International Business Machines Corporation, Hitachi Medical Corporation. Active years: 1977-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Fukuzawa. Retrieved from https://idiyas.com/inventor/tadashi-fukuzawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 38

% Patents Active = 86.8

Average Co-Inventor Count = 3.2

ph-index = 13

Forward Citations = 483(Granted Patents)


Location History:

  • Tokyo, JA (1977)
  • Setagaya, JP (1988 - 1991)
  • Setagaya-ku, JP (2005)
  • Tokyo-to, JP (1996 - 2008)
  • Tokyo, JP (1978 - 2011)

Company Filing History:

goldMedal23 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal15 out of 166,425 
 
International Business Machines Corporation
 patents
bronzeMedal1 out of 900 
 
Hitachi Medical Corporation
 patents
where one patent can have more than one assignee

Years Active: 1977-2011

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Areas of Expertise:
Optical Link Module
Liquid Crystal Display
Semiconductor Laser
Optical Interconnection
Quantum Devices
Optoelectronic Integrated Circuit
Flare-Prevention System
Optical Modulator
Waveguide Optical Switches
Energy-Efficient Display
Quantum Well Laser
Phosphor Composition
38 patents (USPTO):Explore Patents
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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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