Inventor · disambiguated record
Takayuki Yamakawa
Also filed as: YAMAKAWA TAKAYUKI
8 granted patents·7 pending applications·127 citations·filing 1994–2023
86Inventor score
Files withFUJIFILM CORP8YASKAWA DENKI SEISAKUSHO KK4HITACHI CONSTRUCTION MACHINERY1TORAY INDUSTRIES1TOYAMA CHEMICAL CO LTD1
Top patents by PatentIndex Score
15 records- 0181US6599095B1Pump-off control method of pump jackYASKAWA DENKI SEISAKUSHO KK·Filed 1999·Granted Jul 29, 2003·47 cites·9 claims
- 0274US2024108607A1Method for manufacturing novel nitrogen-containing compound or salt thereof and manufacturing intermediate of novel nitrogen-containing compound or salt thereofFUJIFILM CORP·Filed 2023·Application pending·0 cites
- 0370US5488787AHydraulic drive system for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1994·Granted Feb 6, 1996·36 cites·20 claims
- 0468US12202850B2Cyclobutyl purine derivative or salt thereofFUJIFILM CORP·Filed 2023·Granted Jan 21, 2025·0 cites·10 claims
- 0567US2021015802A1Method for manufacturing novel nitrogen-containing compound or salt thereof and manufacturing intermediate of novel nitrogen-containing compound or salt thereofFUJIFILM CORP·Filed 2020·Application pending·0 cites
- 0664US9624215B2Amine derivative or salt thereofTOYAMA CHEMICAL CO LTD·Filed 2013·Granted Apr 18, 2017·1 cites·20 claims
- 0763US5938052ARope steadying control method and apparatus for crane or the likeYASKAWA DENKI SEISAKUSHO KK·Filed 1996·Granted Aug 17, 1999·23 cites·12 claims
- 0860US12421217B2Pyrazine derivative or salt thereof, and use of sameFUJIFILM CORP·Filed 2022·Granted Sep 23, 2025·0 cites·15 claims
- 0959US2023167074A1Nitrogen-containing heterocyclic compound or salt thereof, use thereof, and intermediate thereofFUJIFILM CORP·Filed 2023·Application pending·0 cites
- 1057US2021147456A1Cyclobutyl purine derivative or salt thereofFUJIFILM CORP·Filed 2021·Application pending·0 cites
- 1152US2021301125A1Thermoplastic polyester resin composition and molded article thereofTORAY INDUSTRIES·Filed 2019·Application pending·0 cites
- 1252US2018008583A1Method for manufacturing novel nitrogen-containing compound or salt thereof and manufacturing intermediate of novel nitrogen-containing compound or salt thereofFUJIFILM CORP·Filed 2017·Application pending·0 cites
- 1351US2021155644A1Cyclopentenyl purine derivative or salt thereofFUJIFILM CORP·Filed 2021·Application pending·0 cites
- 1440US6121748AMethod and apparatus for controlling an induction motorYASKAWA DENKI SEISAKUSHO KK·Filed 1997·Granted Sep 19, 2000·11 cites·5 claims
- 1540US5731682AControl unit and control method for motorsYASKAWA DENKI SEISAKUSHO KK·Filed 1994·Granted Mar 24, 1998·9 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →