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Izumiotsu, Japan

Keiichi Sanpei

This inventor holds 6 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1985-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Sanpei. Retrieved from https://idiyas.com/inventor/keiichi-sanpei

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

USPTO Granted Patents = 6

% Patents Active = 66.7

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 72(Granted Patents)

Location History:

Izumiohtsu, JP (1985)
Sakai, JP (1985)
Osaka, JP (1987 - 1989)
Izumiotsu, JP (2002 - 2003)

Company Filing History:

Kubota Corporation

Years Active: 1985-2003

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6595680 - Food mixing apparatus (2003-07-22),

2. 6367963 - Food mixing apparatus (2002-04-09),

3. 4845929 - Cutter-trimmer of walk-behind type (1989-07-11),

4. 4669549 - Rake device for rotary cultivators (1987-06-02),

5. 4556113 - Structure for attaching tines for cultivation by reversible rotation in (1985-12-03),

6. 4543079 - Device for automatically adjusting tension of endless running member in (1985-09-24),

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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