Inventor · disambiguated record
Mototsugu Koyama
Also filed as: KOYAMA MOTOTSUGU
10 granted patents·128 citations·filing 1977–2019
89Inventor score
Top patents by PatentIndex Score
10 records- 0178US4798770AHeat resisting and insulating light alloy articles and method of manufactureTOYOTA MOTOR CO LTD·Filed 1987·Granted Jan 17, 1989·37 cites·14 claims
- 0278US4457979AComposite material including alpha alumina fibersTOYOTA MOTOR CO LTD·Filed 1982·Granted Jul 3, 1984·23 cites·2 claims
- 0370US4548126APiston with local inorganic fiber reinforcement and method of making the sameTOYOTA MOTOR CO LTD·Filed 1982·Granted Oct 22, 1985·23 cites·12 claims
- 0462US4695329AMethod for manufacturing a cylinder head of cast aluminum alloy for internal combustion engines by employing local heat treatmentTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 22, 1987·23 cites·7 claims
- 0558US10301713B2Thermal spray powder, method of forming abradable thermal spray coating using the same, and abradable thermal spray coatingTOYOTA MOTOR CO LTD·Filed 2017·Granted May 28, 2019·0 cites·13 claims
- 0655US4113167AExhaust system means for automobilesTOYOTA MOTOR CO LTD·Filed 1977·Granted Sep 12, 1978·12 cites·2 claims
- 0749US4576863AComposite material and process for its productionTOYOTA MOTOR CO LTD·Filed 1981·Granted Mar 18, 1986·5 cites·4 claims
- 0842US12043583B2Method of treating ceramics and ceramic memberSHINWA IND·Filed 2019·Granted Jul 23, 2024·0 cites·6 claims
- 0933US5019338AAlloy for building JP valveTOYOTA MOTOR CO LTD·Filed 1989·Granted May 28, 1991·3 cites·11 claims
- 1030US4948559AAlloy for building up valveTOYOTA MOTOR CO LTD·Filed 1989·Granted Aug 14, 1990·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →