Inventor · disambiguated record
Keiji Okabe
Also filed as: OKABE KEIJI
3 granted patents·2 pending applications·39 citations·filing 1991–2013
66Inventor score
Top patents by PatentIndex Score
5 records- 0175US9450246B2Carbon particles for negative electrode of lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary batteryTAKAHASHI TEPPEI·Filed 2010·Granted Sep 20, 2016·5 cites·16 claims
- 0260US5270488AShield construction for electrical devicesMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 14, 1993·34 cites·9 claims
- 0346US2015125752A1Negative electrode active material for lithium ion secondary battery and lithium ion secondary batteryHITACHI LTD·Filed 2013·Application pending·0 cites
- 0440US10854871B2Anode material for lithium ion secondary battery, anode for lithium ion secondary battery, and lithium ion secondary batteryNAKAMURA NOBUSHIGE·Filed 2011·Granted Dec 1, 2020·0 cites·19 claims
- 0537US2012328954A1Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery using the negative electrode material, and lithium ion secondary batteryOKABE KEIJI·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keiji Okabe 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 →