Inventor · disambiguated record
Akihiko Yoshiya
Also filed as: YOSHIYA AKIHIKO
10 granted patents·1 pending application·132 citations·filing 1991–2007
90Inventor score
Top patents by PatentIndex Score
11 records- 0180US5721308APitch based carbon fiber and process for producing the sameMITSUBISHI CHEM CORP·Filed 1995·Granted Feb 24, 1998·36 cites·5 claims
- 0275US6303096B1Pitch based carbon fibersMITSUBISHI CHEM CORP·Filed 1999·Granted Oct 16, 2001·30 cites·6 claims
- 0371US6110847ACarbon fiber woven fabricMITSUBISHI CHEM CORP·Filed 1998·Granted Aug 29, 2000·17 cites·8 claims
- 0466US5213677ASpinning pitch for carbon fibers and process for its productionMITSUBISHI CHEM IND·Filed 1991·Granted May 25, 1993·16 cites·6 claims
- 0556US2008072724A1Knife cylinder, rotary cutter, and method of attaching knife mounting bracketMITSUBISHI HEAVY IND LTD·Filed 2007·Application pending·0 cites
- 0654US6197421B1Carbon fiber-reinforced resin compositionMITSUBISHI CHEM CORP·Filed 2000·Granted Mar 6, 2001·1 cites·14 claims
- 0751US6120894AShort carbon fiber bundling mass, process for producing the same and fiber-reinforced resin compositionMITSUBISHI CHEM CORP·Filed 1996·Granted Sep 19, 2000·10 cites·6 claims
- 0851US5601794APitch type carbon fibers and process for their productionMITSUBISHI CHEM CORP·Filed 1994·Granted Feb 11, 1997·7 cites·3 claims
- 0943US5348719AProcess for producing carbon fibers having high strand strengthMITSUBISHI CHEM IND·Filed 1991·Granted Sep 20, 1994·6 cites·9 claims
- 1042US5643546APitch-type carbon fibers and process for their productionMITSUBISHI CHEM CORP·Filed 1994·Granted Jul 1, 1997·5 cites·3 claims
- 1137US5840265ACarbon fibers and process for their productionMITSUBISHI CHEM CORP·Filed 1996·Granted Nov 24, 1998·4 cites·12 claims
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