Inventor · disambiguated record
Kazumi Hatakeyama
Also filed as: HATAKEYAMA KAZUMI
2 granted patents·3 citations·filing 1977–2017
38Inventor score
Top patents by PatentIndex Score
2 records- 0133US10382612B2Business support system, business support method, information processing apparatus, communication device, and control methods and control programs of information processing apparatus and communication deviceNEC CORP·Filed 2017·Granted Aug 13, 2019·0 cites·20 claims
- 0230US4132419AOil seal ring for rotary piston enginesTOYO KOGYO CO·Filed 1977·Granted Jan 2, 1979·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →