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Koji Choki

USPTO Granted Patents = 11 (Patent Applications = 1)

Average Co-Inventor Count = 5.8

ph-index = 5

Forward Citations = 297(Granted Patents)

Location History:

Itami, JP (1994)
Tokyo, JP (2010 - 2013)
Kawasaski, JP (2013)
Kawasaki, JP (2011 - 2014)

Company Filing History:

11 out of 615

Sumitomo Bakelite Company Limited

where one patent can have more than one assignee

Years Active: 1994-2014

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8774575 - Optical waveguide and optical waveguide manufacturing member (2014-07-08),

2. 8705925 - Optical waveguide film, laminated type optical waveguide film, optical waveguide, optical waveguide assembly, optical wiring line, optical/electrical combination substrate and electronic device (2014-04-22),

3. 8588566 - Electronic apparatus, cellular phone, flexible cable and method for manufacturing optical waveguide forming body (2013-11-19),

4. 8420293 - Optical waveguides and methods thereof (2013-04-16),

5. 8208769 - Substrate for mounting an optical element, optical circuit substrate, and substrate on which an optical element is mounted (2012-06-26),

6. 8200058 - Light guide and light guide structure (2012-06-12),

7. 8053166 - Optical waveguides and methods thereof (2011-11-08),

8. 8021825 - Optical waveguides and methods thereof (2011-09-20),

9. 7869670 - Substrate for mounting an optical element, optical circuit substrate, and substrate on which an optical element is mounted (2011-01-11),

10. 7820356 - Optical waveguides and methods thereof (2010-10-26),

11. 5356717 - Magnetic card having embossed portions and a magnetic layer having (1994-10-18),

Title: Koji Choki: Innovator in Optical Waveguide Technology

Introduction

Koji Choki is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical waveguide technology, holding a total of 11 patents. His work has advanced the understanding and application of optical materials in various electronic devices.

Latest Patents

Choki's latest patents include innovative designs for optical waveguides and their manufacturing processes. One notable patent describes an optical waveguide that consists of a clad layer, a core layer, and another clad layer, all laminated together. This design features a core portion surrounded by a side clad portion, which prevents exposure of the core's left side end. Additionally, a mirror formation region is created through digging processing, resulting in a concave portion that serves as a mirror. Another patent focuses on an optical waveguide film that includes multiple core portions arranged side by side, allowing for precise gap matching between core portions, even when the film is shrunken.

Career Highlights

Throughout his career, Koji Choki has worked with notable companies such as Sumitomo Bakelite Company Limited and Promerus, LLC. His experience in these organizations has contributed to his expertise in optical technologies and materials.

Collaborations

Choki has collaborated with esteemed colleagues, including Mutsuhiro Matsuyama and Tetsuya Mori. Their joint efforts have furthered advancements in optical waveguide research and development.

Conclusion

Koji Choki's innovative work in optical waveguide technology has established him as a key figure in the field. His numerous patents reflect his dedication to advancing optical materials and their applications in electronic devices.

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