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For the Inventor, By the Inventor

Toyohashi, Japan

Tsugihito Yoshiyama

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Image Forming Technology. Top assignees: Minolta Camera Kabushiki Kaisha, Konica Minolta, Inc., Konica Minolta Business Technologies, Inc.. Active years: 1987-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsugihito Yoshiyama. Retrieved from https://idiyas.com/inventor/tsugihito-yoshiyama

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 284(Granted Patents)


Location History:

  • 2-Chome, Azuchi-Machi, Chuo-Ku, Osaka-Shi, Osaka JP (1999)
  • Toyohashi, JP (1987 - 2020)

Company Filing History:

goldMedal9 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal8 out of 4,397 
 
Konica Minolta, Inc.
 patents
bronzeMedal2 out of 2,526 
 
Konica Minolta Business Technologies, Inc.
 patents
4. 2 out of 2,816 
 
Minolta Company, Ltd.
 patents
5. 1 out of 76 
 
Minolta Camera Co., Ltd.
 patents
6. 1 out of 834,570 
Other
 patents

Years Active: 1987-2020

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Areas of Expertise:
Image Forming Apparatus
Lubricant Application
Electrophotographic Machine
Developer Units
Maintenance Control
Charging Power Supply
Surface Roughness
Cleaning Blade
Control Program
Exposure Control
Efficiency Improvement
23 patents (USPTO):Explore Patents
1. 10691058 - Image forming apparatus, lubricant application method, and computer program (2020-06-23),
2. 10656548 - Image forming apparatus with a charging power supply that outputs an AC bias and a DC bias (2020-05-19),
3. 10534283 - Image forming apparatus, image forming apparatus control method, and image forming apparatus control program (2020-01-14),
4. 9568883 - Image forming apparatus with a structure for removing residual developer (2017-02-14),
5. 9335712 - Method for measuring lubricant-induced surface roughness and image forming apparatus (2016-05-10),
6. 9268256 - Image forming apparatus (2016-02-23),
7. 9223283 - Image forming apparatus and lubricant application method (2015-12-29),
8. 8781384 - Cleaning blade and image forming apparatus (2014-07-15),
9. 8045891 - Rotary developing apparatus rotatably accommodating a plurality of developer units, developer unit and image forming apparatus including rotary developing apparatus (2011-10-25),
10. 7773926 - Image forming apparatus (2010-08-10),
11. 5940661 - Image forming apparatus with a charging member which removes smears on (1999-08-17),
12. 5911097 - Image forming apparatus and method using charge control means (1999-06-08),
13. 5555076 - Apparatus for controlling an exposure (1996-09-10),
14. 5347346 - Image forming apparatus with improved efficiency of maintenance control (1994-09-13),
15. 5335048 - Efficient control system of image forming apparatus (1994-08-02),

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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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