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For the Inventor, By the Inventor

Sakai, Japan

Susumu Tanaka

This inventor holds 38 USPTO granted patents, primarily in Electrophotographic Technology. Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Minolta Camera Co., Ltd.. Active years: 1976-1997.

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

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

USPTO Granted Patents = 38

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 15

Forward Citations = 630(Granted Patents)


Location History:

  • Sakai, J (1976)
  • Sakai, JA (1976 - 1977)
  • Toyokawa, JP (1983)
  • Sakai, JP (1978 - 1984)
  • Hoi, JP (1984)
  • Aichi, JP (1985 - 1995)
  • Aiti-ken, JP (1996)
  • Hoi-Gun, JP (1997)
  • Aichi-ken, JP (1997)

Company Filing History:

goldMedal35 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal2 out of 2,816 
 
Minolta Company, Ltd.
 patents
bronzeMedal1 out of 76 
 
Minolta Camera Co., Ltd.
 patents

Years Active: 1976-1997

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Areas of Expertise:
Electrophotographic
Image Forming
Developing Apparatus
Fusing Solutions
Dry Process
Magnetic Brush
Copying Methods
Recycling Solutions
Electrostatic Charge
Photocopier
Recording Medium
Toner Images
38 patents (USPTO):Explore Patents
1. 5678157 - Regenerating apparatus of recording medium (1997-10-14),
2. 5621939 - Apparatus for regenerating recording medium (1997-04-22),
3. 5612302 - Cleaning solution for recycling recording member having toner images (1997-03-18),
4. 5542985 - Method of recycling a waste recording member (1996-08-06),
5. 5476739 - Fixing solution containing monoester of bivalent organic acid and fixing (1995-12-19),
6. 4816864 - Programmable copying apparatus (1989-03-28),
7. 4562129 - Method of forming monochromatic or dichromatic copy images (1985-12-31),
8. 4539281 - Method of forming dichromatic copy images (1985-09-03),
9. 4525447 - Image forming method using three component developer (1985-06-25),
10. 4485760 - Dry process developing method and device employed therefor (1984-12-04),
11. 4434355 - Offset prevention layer for heat roller fixing device (1984-02-28),
12. 4376578 - Electrographic copying machine of powder image transfer type (1983-03-15),
13. 4362802 - Powdery developing material for electrophotographic reproduction (1982-12-07),
14. 4353648 - Copy paper separating method for use in electrophotographic copying (1982-10-12),
15. 4349270 - Developer removing device for copying apparatus (1982-09-14),

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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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