This inventor holds 42 USPTO granted patents, primarily in Electrophotographic Toner. Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Idemitsu Kosan Company, Limited. Active years: 1986-2007.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Machida. Retrieved from https://idiyas.com/inventor/junji-machida
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 97.6
Average Co-Inventor Count = 3.6
ph-index = 11
Forward Citations = 361(Granted Patents)
Location History:
- Itami, JP (1986 - 1991)
- Osaka, JP (1989 - 1993)
- Toyonaka, JP (1989 - 2007)
Company Filing History:
27 out of 2,979 Minolta Camera Kabushiki Kaisha
14 out of 2,816 
Minolta Company, Ltd.
4 out of 2,283 
Idemitsu Kosan Company, Limited
4. 1 out of 2,526
Konica Minolta Business Technologies, Inc.
where one patent can have more than one assignee
Years Active: 1986-2007
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Areas of Expertise:
Electrostatic Latent Image
Developing Device
Toner Production
Recycling Techniques
Electrophotography
Cleaning Solution
Fine Particles
Polyolefinic Resin
Three Layered Toner
Charge Controlling Agent
Photoconductive Toner
Binder Type Carrier
42 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Machida. Retrieved from https://idiyas.com/inventor/junji-machida
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]
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]