Inventor · disambiguated record
Akihiko Tsuda
Also filed as: TSUDA AKIHIKO
11 granted patents·5 pending applications·76 citations·filing 1989–2023
88Inventor score
Files withUNIV KOBE NAT UNIV CORP8ORGANO CORP3TOSHIBA MACHINE CO LTD2TSUTSUNAKA PLASTIC KOGYO2TSUDA AKIHIKO1
Top patents by PatentIndex Score
16 records- 0190US11167259B2Fluorinated carbonate derivative production methodUNIV KOBE NAT UNIV CORP·Filed 2018·Granted Nov 9, 2021·4 cites·12 claims
- 0290US11130728B2Carbonate derivative production methodUNIV KOBE NAT UNIV CORP·Filed 2018·Granted Sep 28, 2021·4 cites·9 claims
- 0386US12060312B2Production method for isocyanate compoundUNIV KOBE NAT UNIV CORP·Filed 2019·Granted Aug 13, 2024·1 cites·10 claims
- 0485US12421121B2Method for producing halogenated carbonylUNIV KOBE NAT UNIV CORP·Filed 2020·Granted Sep 23, 2025·1 cites·8 claims
- 0582US12234321B2Method for producing polycarbonateUNIV KOBE NAT UNIV CORP·Filed 2019·Granted Feb 25, 2025·1 cites·7 claims
- 0676US12351568B2Method for producing carbonate derivativeUNIV KOBE NAT UNIV CORP·Filed 2019·Granted Jul 8, 2025·1 cites·5 claims
- 0773US5086824AMethod and system of sensing abnormalities in a degassing flow path of a vacuum die casting machineTOSHIBA MACHINE CO LTD·Filed 1989·Granted Feb 11, 1992·13 cites·10 claims
- 0872US2023348279A1Method for producing carbonyl halideUNIV KOBE NAT UNIV CORP·Filed 2023·Application pending·0 cites
- 0966US2023373898A1Method for producing carbonyl halideUNIV KOBE NAT UNIV CORP·Filed 2023·Application pending·0 cites
- 1062US8097192B2Foamed resin molding machine and method of operating the sameTSUDA AKIHIKO·Filed 2007·Granted Jan 17, 2012·4 cites·5 claims
- 1160US5290617ASliding structure for a high loadTOSHIBA MACHINE CO LTD·Filed 1992·Granted Mar 1, 1994·21 cites·17 claims
- 1259US5147697APolyvinyl chloride pipe for the inner lining of existing pipesTSUTSUNAKA PLASTIC KOGYO·Filed 1991·Granted Sep 15, 1992·19 cites·6 claims
- 1359US2025377272A1Impurity acquisition system, quality inspection system, and liquid production and supply systemORGANO CORP·Filed 2023·Application pending·0 cites
- 1455US2024101448A1Impurity acquisition system, water quality testing system, and liquid production and supply systemORGANO CORP·Filed 2022·Application pending·0 cites
- 1554US2025314566A1Calibration curve solution production system, measurement system, and calibration curve solution production methodORGANO CORP·Filed 2023·Application pending·0 cites
- 1632US5160476AMethod for producing a resin pipe for use as the inner lining of existing pipesTSUTSUNAKA PLASTIC KOGYO·Filed 1991·Granted Nov 3, 1992·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →