Inventor · disambiguated record

Kazumi Kokaji

Also filed as: KOKAJI KAZUMI

3 granted patents·19 citations·filing 2001–2002

70Inventor score

Technology areasD01F

Files withHITACHI CHEMICAL CO LTD3

Top patents by PatentIndex Score

3 records

0173US6743500B2Hollow carbon fiber and production methodHITACHI CHEMICAL CO LTD·Filed 2001·Granted Jun 1, 2004·9 cites·17 claims
0267US6641792B2Hollow carbon fiber and production methodHITACHI CHEMICAL CO LTD·Filed 2002·Granted Nov 4, 2003·5 cites·28 claims
0366US7273652B2Hollow carbon fiber and production methodHITACHI CHEMICAL CO LTD·Filed 2002·Granted Sep 25, 2007·5 cites·31 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →