Hiroyuki Hazama

This inventor holds 18 USPTO granted patents, primarily in Image Formation Technology. Top assignee: Mita Industrial Co., Ltd.. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hazama. Retrieved from https://idiyas.com/inventor/hiroyuki-hazama

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

Calculating rank

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 92(Granted Patents)

Location History:

Neyagawa, JP (1989)
Itami, JP (1993)
Osaka, JP (1996 - 1998)
Chuo-ku, JP (1998)

Company Filing History:

18 out of 1,344

Mita Industrial Co., Ltd.

patents

Years Active: 1989-1998

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Areas of Expertise:

Electrophotography

Image Forming Apparatus

Developing Unit

Toner Brush

Voltage Control

Magnetic Carrier

Charging Device

Process Unit

Image-Forming Machine

Guide Plate

Transferring Device

Carbon Black

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5848336 - Electrostatic latent image developer with shaft bearing members (1998-12-08),

2. 5845178 - Charging device having a charger arrangement frame in which a discharge (1998-12-01),

3. D401615 - Developing unit for forming an image (1998-11-24),

4. 5842104 - Image-forming device and a process unit therefor having a guide plate (1998-11-24),

5. 5832342 - Image forming machine with a contact type developing device (1998-11-03),

6. 5828938 - Transferring device and image forming apparatus using the same (1998-10-27),

7. 5826153 - Image-forming machine (1998-10-20),

8. 5805959 - Process unit (1998-09-08),

9. 5784673 - Image forming apparatus having a toner brush equipped with a toughening (1998-07-21),

10. 5774768 - Image-forming apparatus and image-forming unit (1998-06-30),

11. 5761572 - Image forming apparatus having a transferring unit improved in (1998-06-02),

12. 5752134 - Process unit of image forming machine having pre-transfer guide (1998-05-12),

13. 5752132 - Process unit (1998-05-12),

14. 5659839 - Voltage control apparatus for controlling a charger in an image forming (1997-08-19),

15. 5572295 - Voltage control device for a charge (1996-11-05),

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]