Inventor · disambiguated record
Chihiro Nishikawa
Also filed as: NISHIKAWA CHIHIRO
8 granted patents·11 pending applications·17 citations·filing 1996–2023
78Inventor score
Top patents by PatentIndex Score
19 records- 0180US11482737B2Method for recovering valuable material from lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2020·Granted Oct 25, 2022·1 cites·17 claims
- 0279US12303912B2Separation method for valuable resourcesDOWA ECO SYSTEM CO LTD·Filed 2021·Granted May 20, 2025·1 cites·7 claims
- 0365US2023104457A1Method for recovering lithium and method for processing lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 0463US2025357567A1Method for recovering valuable materials from lithium ion secondary batteriesDOWA ECO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 0561US2024243381A1Method of separating valuable materialsDOWA ECO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 0658US12503747B2Method for separating lithiumDOWA ECO SYSTEM CO LTD·Filed 2020·Granted Dec 23, 2025·0 cites·23 claims
- 0758US2023411719A1Method for recovering valuable materials from lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 0858US2023132244A1Face shield and mask-equipped face shieldDEXERIALS CORP·Filed 2021·Application pending·0 cites
- 0957US2023318063A1Valuable matter recovery methodDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1057US2023323506A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1155US7392780B2Machine provided with pulsating oil pressure reducing deviceHONDA MOTOR CO LTD·Filed 2007·Granted Jul 1, 2008·2 cites·9 claims
- 1253US2025115487A1Method of recovering valuable materialsDOWA ECO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 1352US5796206AController and controlling method for piezoelectric actuatorTOYODA CHUO KENKYUSHO KK·Filed 1996·Granted Aug 18, 1998·12 cites·8 claims
- 1452US2023119544A1Method for concentrating valuable metal contained in lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1551USD974666SProtective shieldDEXERIALS CORP·Filed 2020·Granted Jan 3, 2023·1 cites·1 claims
- 1651US2023107938A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1749US12107244B2Method for recovering valuable material from lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2020·Granted Oct 1, 2024·0 cites·8 claims
- 1843US2023366061A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1935US7377252B2Internal combustion engine provided with oil filterHONDA MOTOR CO LTD·Filed 2007·Granted May 27, 2008·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Chihiro Nishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →