Inventor · disambiguated record
Yoshihisa Tokumaru
Also filed as: TOKUMARU YOSHIHISA
9 granted patents·11 citations·filing 1996–2017
77Inventor score
Top patents by PatentIndex Score
9 records- 0179US7547777B2Penam crystals and process for producing the sameOTSUKA CHEMICAL CO LTD·Filed 2004·Granted Jun 16, 2009·11 cites·10 claims
- 0257US7714125B2Process for producing penam compound useful for preparing tazobactamOTSUKA CHEMICAL CO LTD·Filed 2005·Granted May 11, 2010·0 cites·5 claims
- 0353US11114695B2Electrolyte for electrochemical device, electrolytic solution, and electrochemical deviceOTSUKA CHEMICAL CO LTD·Filed 2017·Granted Sep 7, 2021·0 cites·12 claims
- 0452US10593488B2Nonaqueous electrolytic solution for electric double layer capacitorsOTSUKA CHEMICAL CO LTD·Filed 2014·Granted Mar 17, 2020·0 cites·6 claims
- 0545US9905375B2Nonaqueous electrolytic solution for electric double layer capacitorOTSUKA CHEMICAL CO LTD·Filed 2014·Granted Feb 27, 2018·0 cites·7 claims
- 0642US7514553B2Process for producing penicillanic acid compoundOTSUKA CHEMICAL CO LTD·Filed 2004·Granted Apr 7, 2009·0 cites·11 claims
- 0729US6339152B1Process for producing exo-methylenepenam compoundsOTSUKA KAGAKU KK·Filed 1998·Granted Jan 15, 2002·0 cites·4 claims
- 0829US6063918AProcess for preparing 2-isocephem derivativesOTSUKA KAGAKU KK·Filed 1997·Granted May 16, 2000·0 cites·2 claims
- 0928US5688942AProcess for preparing 2-isocephem derivativesOTSUKA KAGAKU KK·Filed 1996·Granted Nov 18, 1997·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →