Inventor · disambiguated record
Yu Yamada
Also filed as: YAMADA YU
21 granted patents·5 pending applications·141 citations·filing 1973–2023
94Inventor score
Top patents by PatentIndex Score
26 records- 0186US4229085AFilm readerCANON KK·Filed 1978·Granted Oct 21, 1980·14 cites·9 claims
- 0281US4103990ACatadioptric wide-angle lens system for reproductionCANON KK·Filed 1976·Granted Aug 1, 1978·38 cites·7 claims
- 0368US4339183AFilm readerCANON KK·Filed 1980·Granted Jul 13, 1982·8 cites·4 claims
- 0465US3984186AProjection masking systemCANON KK·Filed 1973·Granted Oct 5, 1976·14 cites·17 claims
- 0561US4364658AScanning illuminatorCANON KK·Filed 1981·Granted Dec 21, 1982·7 cites·7 claims
- 0660US2024118151A1Sensing data correction system and sensing data correction methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 0758US2023363710A1Wearable sensor and wearable sensor systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 0853US10861634B2Stationary induction electric deviceHITACHI LTD·Filed 2016·Granted Dec 8, 2020·0 cites·8 claims
- 0948US4889416AFinite distance zoom lensCANON KK·Filed 1987·Granted Dec 26, 1989·13 cites·12 claims
- 1047US4429353AScanning illuminating deviceCANON KK·Filed 1981·Granted Jan 31, 1984·4 cites·4 claims
- 1146US4523838AImage forming apparatusCANON KK·Filed 1982·Granted Jun 18, 1985·6 cites·5 claims
- 1244US11107617B2TransformerHITACHI LTD·Filed 2016·Granted Aug 31, 2021·0 cites·10 claims
- 1343US7582364B2Organic electroluminescent deviceNIPPON STEEL CHEMICAL CO·Filed 2004·Granted Sep 1, 2009·1 cites·6 claims
- 1442US4350433AScanning illuminatorCANON KK·Filed 1981·Granted Sep 21, 1982·3 cites·6 claims
- 1542US2020181091A1Production method for pyrazole-4-carboxamide derivativeJAPAN FINECHEM COMPANY INC·Filed 2018·Application pending·0 cites
- 1641US4529276AImage rotating optical systemCANON KK·Filed 1982·Granted Jul 16, 1985·7 cites·4 claims
- 1740US4285579ACopying lens systemCANON KK·Filed 1979·Granted Aug 25, 1981·7 cites·9 claims
- 1839US2019318645A1Measurement deviceCOAIDO INC·Filed 2019·Application pending·0 cites
- 1938US2006186791A1Organic electroluminescent elementYOSHITAKE OSAMU·Filed 2004·Application pending·0 cites
- 2037US7816020B2Organic electroluminescent deviceNIPPON STEEL CHEMICAL CO·Filed 2004·Granted Oct 19, 2010·0 cites·7 claims
- 2137US4464024AOptical system for microfilmCANON KK·Filed 1981·Granted Aug 7, 1984·6 cites·6 claims
- 2237US4013348AOptical system for reproductionCANON KK·Filed 1975·Granted Mar 22, 1977·6 cites·2 claims
- 2333US4560242AVariable magnification optical systemCANON KK·Filed 1984·Granted Dec 24, 1985·3 cites·21 claims
- 2432US4461565AOptical scanning deviceCANON KK·Filed 1983·Granted Jul 24, 1984·2 cites·5 claims
- 2529US4447147AOptical scanning deviceCANON KK·Filed 1982·Granted May 8, 1984·1 cites·6 claims
- 2628US4236789AProjection optical systemCANON KK·Filed 1977·Granted Dec 2, 1980·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →