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For the Inventor, By the Inventor

Odawara, Japan

Kohei Arakawa

This inventor holds 15 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1992-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Arakawa. Retrieved from https://idiyas.com/inventor/kohei-arakawa-09wrl89w

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 93.3

Average Co-Inventor Count = 1.8

ph-index = 11

Forward Citations = 509(Granted Patents)


Location History:

  • Minami-Ashigara, JP (1997)
  • Kanagawa, JP (1992 - 2003)
  • Shizuoka, JP (2003)
  • Shizuoka-ken, JP (2004)
  • Fujinomiya, JP (2004)
  • Odawara, JP (2002 - 2005)

Company Filing History:

goldMedal15 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents

Years Active: 1992-2005

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15 patents (USPTO):Explore Patents
1. 6853423 - Quarter wave plate comprising two optically anisotropic layers (2005-02-08),
2. 6812983 - RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIRCULARLY POLARIZING LIGHT, ½ WAVE PLATE AND REFLECTION-TYPE LIQUID CRYSTAL DISPLAY DEVICE UTILIZING THE RETARDATION PLATE (2004-11-02),
3. 6778237 - Polarizing element (2004-08-17),
4. 6667794 - Collimator utilizing wavelength selective reflection and backlight system (2003-12-23),
5. 6593984 - Quarter wave plate comprising two optically anisotropic layers (2003-07-15),
6. 6519017 - Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plate (2003-02-11),
7. 6519016 - Phase retarder comprising two optically anisotropic layers (2003-02-11),
8. 6400433 - Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plate (2002-06-04),
9. 6346578 - Norbornene based resin composition and phase difference plate (2002-02-12),
10. 5699136 - Negative uniaxial anisotropic element and method for manufacturing the (1997-12-16),
11. 5646703 - Liquid crystal display (1997-07-08),
12. 5528400 - Liquid crystal display device having negative uniaxial anisotropic film (1996-06-18),
13. 5213852 - Phase difference film and liquid crystal display having the same (1993-05-25),
14. 5189538 - Liquid crystal display having positive and negative birefringent (1993-02-23),
15. 5138474 - Liquid crystal display with compensator having two films with positive (1992-08-11),

Title: Pushing Technological Boundaries: The Inventor Kohei Arakawa

Introduction:

Kohei Arakawa, a visionary inventor from Odawara, Japan, is renowned for his groundbreaking contributions to the field of technology. With a total of 15 patents to his name, Arakawa's inventive spirit knows no bounds.

Latest Patents:

Arakawa's recent patents showcase his innovative prowess, with creations like the "Quarter Wave Plate Comprising Two Optically Anisotropic Layers." This invention features a circularly polarizing plate with specific optical characteristics, revolutionizing the way light is manipulated.

Career Highlights:

Arakawa's career is marked by a series of remarkable achievements, all aimed at shaping a better future through innovation. Working at Fuji Photo Film Company, Limited, his dedication to pushing the boundaries of what is possible in technology is truly commendable.

Collaborations:

In his quest for innovation, Arakawa has collaborated with esteemed colleagues such as Mitsuyoshi Ichihashi and Ken Kawata. Together, they have worked tirelessly to bring cutting-edge solutions to the forefront of technological advancement.

Conclusion:

In conclusion, Kohei Arakawa stands as a visionary inventor who continues to push the envelope of what technology can achieve. His dedication to creating a better future through innovation is truly inspiring, setting a high standard for inventors and innovators worldwide.

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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