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For the Inventor, By the Inventor

Takatsuki, Japan

Seishi Ojima

This inventor holds 20 USPTO granted patents. Top assignees: Minolta Company, Ltd., Minolta Camera Kabushiki Kaisha, Konica Minolta Business Technologies, Inc.. Active years: 1992-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seishi Ojima. Retrieved from https://idiyas.com/inventor/seishi-ojima

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

USPTO Granted Patents = 20

% Patents Active = 80.0

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 98(Granted Patents)


Location History:

  • Tatatsuki, JP (2000)
  • Takatsuki, JP (1992 - 2006)
  • Hachioji, JP (2007 - 2009)

Company Filing History:

goldMedal12 out of 2,816 
 
Minolta Company, Ltd.
 patents
silverMedal5 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
bronzeMedal3 out of 2,526 
 
Konica Minolta Business Technologies, Inc.
 patents

Years Active: 1992-2009

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20 patents (USPTO):Explore Patents
1. 7476481 - Electrostatic charge image developing toner and production process for the same (2009-01-13),
2. 7465526 - Electrostatic latent image developing toner (2008-12-16),
3. 7175959 - Toner and production process for the same (2007-02-13),
4. 6991885 - Non-magnetic one-component toner, non-magnetic one-component contact developing device and image-forming apparatus (2006-01-31),
5. 6728194 - Optical recording medium, method of making the same and optical memory device using the optical memory medium (2004-04-27),
6. 6146804 - Electrophotographic liquid developer and image forming apparatus (2000-11-14),
7. 5981134 - Liquid developer for electrophotography (1999-11-09),
8. 5981133 - Liquid developer and image forming apparatus (1999-11-09),
9. 5953566 - Color image forming method and apparatus providing for efficient toner (1999-09-14),
10. 5780196 - Toner and liquid developer, liquid developer, and method of producing (1998-07-14),
11. 5774169 - Image forming apparatus (1998-06-30),
12. 5623716 - Process for image forming using a photosensitive member having an (1997-04-22),
13. 5572294 - Contact charger and image forming apparatus provided with same (1996-11-05),
14. 5557372 - Contact charger and image forming apparatus provided with same (1996-09-17),
15. 5536610 - Photosensitive member having surface protective layer with specified (1996-07-16),

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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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