Inventor · disambiguated record
Kyohei Takakuwa
Also filed as: TAKAKUWA KYOHEI
8 granted patents·4 pending applications·91 citations·filing 1995–2025
86Inventor score
Top patents by PatentIndex Score
12 records- 0183US7350917B2Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lensMGC FILSEET CO LTD·Filed 2005·Granted Apr 1, 2008·31 cites·14 claims
- 0265US5654380AAliphatic polyester carbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Aug 5, 1997·21 cites·8 claims
- 0361US6359103B1Aromatic-aliphatic copolycarbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Mar 19, 2002·4 cites·3 claims
- 0454US2025237797A1Wire grid polarizing element and method for producing sameAIST·Filed 2025·Application pending·0 cites
- 0553US6667381B2Process for producing aliphatic polyester carbonateMITSUBISHI GAS CHEMICAL CO·Filed 2001·Granted Dec 23, 2003·4 cites·20 claims
- 0649US12189162B2Wire-grid polarizer and process for producing the sameAIST·Filed 2021·Granted Jan 7, 2025·0 cites·9 claims
- 0745US2008252972A1Multi-layered polarizing sheet, and a non-glaring product and a polarizing sheet for a liquid-crystal display comprising the polarizing sheetMGC FILSHEET CO LTD·Filed 2008·Application pending·0 cites
- 0842US6376641B2Aromatic-aliphatic copolycarbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Apr 23, 2002·5 cites·6 claims
- 0940US6262184B1Resin composition and molded articleSHIMADZU CORP·Filed 1999·Granted Jul 17, 2001·22 cites·27 claims
- 1037US2001051692A1Resin composition and molded articleSHIMADZU CORP·Filed 2001·Application pending·0 cites
- 1136US5880224AAliphatic polyester carbonate and process for producing the aliphatic polyester carbonateMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Mar 9, 1999·4 cites·14 claims
- 1235US2009317616A1Process for producing melanin, melanin produced by the process, functional film containing the melanin, and process for producing the sameKAWAI RYOZO·Filed 2006·Application pending·0 cites
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