Inventor · disambiguated record
Tsutomu Okuyama
Also filed as: OKUYAMA TSUTOMU
8 granted patents·1 pending application·114 citations·filing 1979–2017
85Inventor score
Files withKANEKA CORP4CANON KK2KANEGAFUCHI CHEMICAL IND1NIPPON STEEL & SUMITOMO METAL CORP1USUI KOKUSAI SANGYO KK1
Top patents by PatentIndex Score
9 records- 0185US6337368B1Lipoprotein adsorbent and lipoprotein adsorber made with the use of the sameKANEKA CORP·Filed 1998·Granted Jan 8, 2002·79 cites·18 claims
- 0279US10995394B2Steel bar for downhole member, and downhole memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted May 4, 2021·1 cites·4 claims
- 0356US6599620B2Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purificationKANEKA CORP·Filed 1998·Granted Jul 29, 2003·14 cites·9 claims
- 0455US7763348B2Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purificationKANEKA CORP·Filed 2007·Granted Jul 27, 2010·1 cites·4 claims
- 0550USD260777SCombined electronic calculator and clockCANON KK·Filed 1979·Granted Sep 15, 1981·4 cites·1 claims
- 0647USD266853SDesk-top electronic calculatorCANON KK·Filed 1980·Granted Nov 9, 1982·4 cites·1 claims
- 0747US2003186041A1Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purificationKANEKA CORP·Filed 2003·Application pending·0 cites
- 0843US12000364B2Steel pipe for fuel injection pipe and fuel injection pipe using the sameUSUI KOKUSAI SANGYO KK·Filed 2015·Granted Jun 4, 2024·0 cites·8 claims
- 0934US4744899ASterilization of adsorbent and column having improved storability including sterilized adsorbent for use in extracorporeal circulation treatmentKANEGAFUCHI CHEMICAL IND·Filed 1985·Granted May 17, 1988·11 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →