Inventor · disambiguated record
Takayuki Izumi
Also filed as: IZUMI TAKAYUKI
17 granted patents·1 pending application·164 citations·filing 1981–2019
93Inventor score
Files withTOA NENRYO KOGYO KK10KOITO ELECTRIC IND LTD3IZUMI TAKAYUKI1OHMURO KAZUHIKO1OKI ELECTRIC IND CO LTD1
Top patents by PatentIndex Score
18 records- 0181US6093291AElectroplating apparatusOKI ELECTRIC IND CO LTD·Filed 1998·Granted Jul 25, 2000·41 cites·10 claims
- 0276US4533461AProcess for producing mesophase pitchTOA NENRYO KOGYO KK·Filed 1981·Granted Aug 6, 1985·21 cites·9 claims
- 0372US4601813AProcess for producing optically anisotropic carbonaceous pitchTOA NENRYO KOGYO KK·Filed 1982·Granted Jul 22, 1986·18 cites·23 claims
- 0467US4454020AProcess for producing a homogeneous low softening point, optically anisotropic pitchTOA NENRYO KOGYO KK·Filed 1983·Granted Jun 12, 1984·16 cites·15 claims
- 0565US4454019AProcess for producing optically anisotropic carbonaceous pitchTOA NENRYO KOGYO KK·Filed 1982·Granted Jun 12, 1984·12 cites·38 claims
- 0664US4589974AOptically anisotropic carbonaceous pitch and process for producing the sameTOA NENRYO KOGYO KK·Filed 1982·Granted May 20, 1986·12 cites·18 claims
- 0757US10668811B2Power supply system and railroad carKOITO ELECTRIC IND LTD·Filed 2017·Granted Jun 2, 2020·1 cites·7 claims
- 0854US4670202AMethod and apparatus for melt spinningTOA NENRYO KOGYO KK·Filed 1984·Granted Jun 2, 1987·9 cites·5 claims
- 0954US4655902AOptically anisotropic carbonaceous pitchTOA NENRYO KOGYO KK·Filed 1985·Granted Apr 7, 1987·9 cites·5 claims
- 1054US4534850AOptically antisotropic carbonaceous pitchTOA NENRYO KOGYO KK·Filed 1983·Granted Aug 13, 1985·8 cites·12 claims
- 1153US5665464ACarbon fiber-reinforced carbon composite material and process for the preparation thereofTONEN CORP·Filed 1995·Granted Sep 9, 1997·13 cites·6 claims
- 1248US10932338B2Power supply adjustment system and lighting apparatusKOITO ELECTRIC IND LTD·Filed 2019·Granted Feb 23, 2021·0 cites·7 claims
- 1346US2018349936A1Product sales promotion methodIZUMI TAKAYUKI·Filed 2016·Application pending·0 cites
- 1444US11665805B2Lighting deviceKOITO ELECTRIC IND LTD·Filed 2019·Granted May 30, 2023·0 cites·4 claims
- 1542US7981787B2Semiconductor device manufacturing methodOKI SEMICONDUCTOR CO LTD·Filed 2009·Granted Jul 19, 2011·0 cites·4 claims
- 1636US4511456AProcess for continuous production of optically anisotropic pitchTOA NENRYO KOGYO KK·Filed 1983·Granted Apr 16, 1985·2 cites·4 claims
- 1734US8241515B2Method of manufacturing semiconductor device and semiconductor manufacturing apparatusOHMURO KAZUHIKO·Filed 2008·Granted Aug 14, 2012·0 cites·8 claims
- 1832US4810437AProcess for manufacturing carbon fiber and graphite fiberTOA NENRYO KOGYO KK·Filed 1988·Granted Mar 7, 1989·2 cites·8 claims
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