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For the Inventor, By the Inventor

Kodaira, Japan

Hiroharu Nakajima

This inventor holds 22 USPTO granted patents, primarily in Printing Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1985-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroharu Nakajima. Retrieved from https://idiyas.com/inventor/hiroharu-nakajima

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 231(Granted Patents)


Location History:

  • Tokyo, JP (1988 - 1994)
  • Kodaira, JP (1985 - 1997)
  • Chiba, JP (1997 - 1998)

Company Filing History:

goldMedal21 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1985-1998

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Areas of Expertise:
Automatic Sheet Feeder
Serial Printing Apparatus
Ink Detection
Document Processing
Error Correction
Printing Mechanism
Carriage Mechanism
Ink Ribbon Cassette
Powered Paper Bail
Printing Pitch Control
Interchangeable Type Units
Impact Printing
22 patents (USPTO):Explore Patents
1. 5775823 - Automatic sheet feeder (1998-07-07),
2. 5690435 - Serial printing apparatus with sentence memory and display (1997-11-25),
3. 5657057 - Remaining ink detection in an ink jet recording apparatus (1997-08-12),
4. 5562355 - Serial printing apparatus with sentence memory and display having (1996-10-08),
5. 5529406 - Document processing apparatus and method for printing a document read (1996-06-25),
6. 5484214 - Serial printing apparatus including an error correcting capability and (1996-01-16),
7. 5322376 - Serial printing apparatus including an error correcting capability and (1994-06-21),
8. 5314259 - Recording apparatus having an improved mechanism for moving the (1994-05-24),
9. 5108203 - Printing apparatus including error correction and memory means, for (1992-04-28),
10. 5087136 - Printing mechanism with a cam and groove arrangement (1992-02-11),
11. 5048988 - Ink sheet drive system for a recording device (1991-09-17),
12. 5037223 - Serial printing apparatus with controllable pitch (1991-08-06),
13. 4880325 - Ink ribbon cassette including means for identifying the type of ink (1989-11-14),
14. 4865476 - Carriage mechanism providing movement of a print wheel motor (1989-09-12),
15. 4846593 - Printing apparatus system with a plurality of interchangeable type units (1989-07-11),

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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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