Inventor · disambiguated record
Akihiko Koiwai
Also filed as: KOIWAI AKIHIKO
4 granted patents·78 citations·filing 1997–2003
77Inventor score
Top patents by PatentIndex Score
4 records- 0171US5958622ANegative electrode material for lithium secondary batteriesTOYODA CHUO KENKYUSHO KK·Filed 1997·Granted Sep 28, 1999·41 cites·10 claims
- 0259US7026058B2Multilayered hydrogen absorbing bodyTOYOTA MOTOR CO LTD·Filed 2003·Granted Apr 11, 2006·5 cites·9 claims
- 0359US6620553B2Lithium secondary batteryTOYODA CHUO KENKYUSHO KK·Filed 2001·Granted Sep 16, 2003·6 cites·15 claims
- 0455US6077628ANonaqueous electrolytic solution for battery and nonaqueous electrolytic solution batteryTOYODA CHUO KENKYUSHO KK·Filed 1998·Granted Jun 20, 2000·26 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →