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Carlsbad, CA, United States of America

Keisaku Hayashi

This inventor holds 4 USPTO granted patents. Top assignee: Denso Corporation. Active years: 2001-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisaku Hayashi. Retrieved from https://idiyas.com/inventor/keisaku-hayashi

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

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 190(Granted Patents)

Location History:

San Diego, CA (US) (2001 - 2002)
Carlsbad, CA (US) (2003)
Anjo, JP (2015)

Company Filing History:

4 out of 20,436

Denso Corporation

Years Active: 2001-2015

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9125023 - Communication system, communication device mounted in vehicle, and switching apparatus (2015-09-01),

2. 6664765 - Lithium-ion battery charger power limitation method (2003-12-16),

3. 6393263 - Mobile communications terminal and system with offset time feature (2002-05-21),

4. 6198942 - Telephone apparatus adaptable to different communication systems (2001-03-06),

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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