Inventor · disambiguated record
Keiji Kumano
Also filed as: KUMANO KEIJI
3 granted patents·3 pending applications·3 citations·filing 2012–2023
54Inventor score
Files withIBIDEN CO LTD6
Top patents by PatentIndex Score
6 records- 0169US8974570B2Retaining seal material and exhaust gas purifying apparatusIBIDEN CO LTD·Filed 2013·Granted Mar 10, 2015·1 cites·8 claims
- 0265US2025125449A1Heat transfer suppression sheet and battery packIBIDEN CO LTD·Filed 2023·Application pending·0 cites
- 0359US8945269B2Holding sealing material, method for producing holding sealing material, and exhaust gas purifying apparatusIBIDEN CO LTD·Filed 2012·Granted Feb 3, 2015·2 cites·17 claims
- 0455US2025149685A1Method for producing heat transfer suppression sheet, heat transfer suppression sheet, and battery packIBIDEN CO LTD·Filed 2023·Application pending·0 cites
- 0555US2025183418A1Method for producing heat transfer suppression sheet, heat transfer suppression sheet, and battery packIBIDEN CO LTD·Filed 2023·Application pending·0 cites
- 0643US9056440B2Holding seal material, exhaust gas purifying apparatus and method of manufacturing holding seal materialIBIDEN CO LTD·Filed 2013·Granted Jun 16, 2015·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Keiji Kumano 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 →