Inventor · disambiguated record

Akiyoshi Hatakeyama

Also filed as: HATAKEYAMA AKIYOSHI

2 granted patents·8 citations·filing 1995–2005

46Inventor score

Technology areasB22D Y02E

Files withDAI ICHI KOGYO SEIYAKU CO LTD1 NIPPON KOSHUHA STEEL CO LTD1

Top patents by PatentIndex Score

2 records

0144US5630538AFlexible type casting gate breaking machineNIPPON KOSHUHA STEEL CO LTD·Filed 1995·Granted May 20, 1997·8 cites·1 claims
0243US7279540B2Ion-polymer gel electrolyte and its precursor compositionDAI ICHI KOGYO SEIYAKU CO LTD·Filed 2005·Granted Oct 9, 2007·0 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Akiyoshi Hatakeyama 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 →