Inventor · disambiguated record
Tatsuo Maruyama
Also filed as: MARUYAMA TATSUO
5 granted patents·1 pending application·87 citations·filing 1973–2017
81Inventor score
Files withKOKUSAI DENSHIN DENWA CO LTD3SEKISUI CHEMICAL CO LTD1TOSHIBA ELECTRIC EQUIP1WATANABE HIROAKI1
Top patents by PatentIndex Score
6 records- 0190US8197086B2Lighting fixtureWATANABE HIROAKI·Filed 2009·Granted Jun 12, 2012·43 cites·6 claims
- 0271US3940555APicture signal transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1973·Granted Feb 24, 1976·14 cites·7 claims
- 0365US4001611AAsynchronous delay circuitKOKUSAI DENSHIN DENWA CO LTD·Filed 1976·Granted Jan 4, 1977·11 cites·10 claims
- 0446US4838629AReflectorTOSHIBA ELECTRIC EQUIP·Filed 1988·Granted Jun 13, 1989·15 cites·2 claims
- 0542US2021193347A1Composite material, conductive material, conductive particles, and conductive filmSEKISUI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 0641US4309572ACall processing system with an operator assistance in a telephone switching systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Jan 5, 1982·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →