This inventor holds 61 USPTO granted patents and 3 published patent applications and 6 EPO patents, primarily in Image Formation Technology (CPC class G03G). Top assignees: Konica Minolta Business Technologies, Inc., Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd.. Active years: 1987-2020.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiya Natsuhara. Retrieved from https://idiyas.com/inventor/toshiya-natsuhara
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 61 (Patent Applications = 3)
% Patents Active = 78.7
EPO Patents = 6 (Patent Applications = 7)
Average Co-Inventor Count = 3.9
ph-index = 10
Forward Citations = 311(Granted Patents)
Forward Citations (Not Self Cited) = 286(Dec 10, 2025)
Inventors with similar research interests:
Location History:
- Amagasaki, JP (1987 - 1989)
- Osaka, JP (1989 - 1992)
- Nishinomiya, JP (1993 - 1994)
- Takarazuka, JP (1997 - 2020)
- Hachioji, JP (2020)
Company Filing History:

Konica Minolta Business Technologies, Inc.
Minolta Camera Kabushiki Kaisha

Minolta Company, Ltd.
4. 8 out of 4,387

Konica Minolta, Inc.
5. 1 out of 1
Minolta Camera Co., Ltd. Senri Center
Years Active: 1987-2020
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Areas of Expertise:
Image Forming Device
Wet-Type Image Formation
Gloss Control
Development Apparatus
Toner Development
Charging Device
Electrostatic Latent Image
Developer Carrier
Ink Jet Recording
Capacitance Detection
Transfer Belt
Recording Media
61 patents (USPTO):Explore Patents
Couldn't find inventor
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]
3 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiya Natsuhara. Retrieved from https://idiyas.com/inventor/toshiya-natsuhara
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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]
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]
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]
6 patents (EPO):
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]
7 patents pending (EPO):
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]