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For the Inventor, By the Inventor

Yokohama, Japan

Hisami Tanaka

This inventor holds 26 USPTO granted patents, primarily in Electrophotographic Technology. Top assignees: Canon Kabushiki Kaisha, Fujitsu Corporation, Dainippon Ink and Chemicals, Incorporated. Active years: 1982-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisami Tanaka. Retrieved from https://idiyas.com/inventor/hisami-tanaka

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

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 12

Forward Citations = 328(Granted Patents)


Location History:

  • Tokyo, JP (1984 - 1989)
  • Yokohama, JP (1982 - 1998)

Company Filing History:

goldMedal19 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal5 out of 39,374 
 
Fujitsu Corporation
 patents
bronzeMedal2 out of 630 
 
Dainippon Ink and Chemicals, Incorporated
 patents

Years Active: 1982-1998

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Areas of Expertise:
Electrophotographic
Photosensitive Member
Solar Cell
Polysilane
Charging Member
Photovoltaic Element
Indoline Electrophotoconductor
Operational Amplifier
Digital-to-Analog Converter
Clock Generator
Integrator
Sample and Hold Circuit
26 patents (USPTO):Explore Patents
1. 5707726 - Aluminum pipe production process, electrophotographic photosensitive (1998-01-13),
2. 5677095 - Electrophotographic photosensitive member (1997-10-14),
3. 5669047 - Charging member, electrophotographic apparatus and charging method using (1997-09-16),
4. 5595848 - Electrophotographic photosensitive member produced from aluminum pipe (1997-01-21),
5. 5484673 - Electrophotographic photosensitive member (1996-01-16),
6. 5358987 - Polysilane compositions (1994-10-25),
7. 5354385 - Solar cell (1994-10-11),
8. 5344501 - Solar cell (1994-09-06),
9. 5332635 - Electrophotographic photosensitive member, and electrophotographic (1994-07-26),
10. 5236798 - Electrophotographic light receiving member having a photoconductive (1993-08-17),
11. 5220181 - Photovoltaic element of junction type with an organic semiconductor (1993-06-15),
12. 5190837 - Image holder member having resin layer of metal-coated fine resin (1993-03-02),
13. 5159042 - Polysilane compounds and electrophotographic photosensitive members with (1992-10-27),
14. 5112708 - Member for charging with surface layer of N-alkoxymethylated nylon (1992-05-12),
15. 5089851 - Charging member (1992-02-18),

Title: The Innovative Mind of Hisami Tanaka

Introduction: Hisami Tanaka is a pioneering inventor hailing from Yokohama, Japan, known for her groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tanaka's most recent patents include advancements in artificial intelligence algorithms for autonomous vehicles and cutting-edge medical devices for remote patient monitoring.

Career Highlights: With over two decades of experience in research and development, Tanaka has led numerous successful projects that have resulted in patented inventions that have revolutionized various industries.

Collaborations: Throughout her career, Tanaka has collaborated with leading tech companies, research institutions, and universities to further push the boundaries of innovation and bring her ideas to life.

Conclusion: Hisami Tanaka's relentless pursuit of innovation and her passion for creating solutions to complex problems have solidified her reputation as a visionary inventor in the world of technology.

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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