Inventor · disambiguated record
Toshiharu Hiraoka
Also filed as: HIRAOKA TOSHIHARU
9 granted patents·6 pending applications·137 citations·filing 1994–2023
88Inventor score
Top patents by PatentIndex Score
15 records- 0186US6455160B1High purity C/C composite and manufacturing method thereofTOYO TANSO CO·Filed 2000·Granted Sep 24, 2002·30 cites·17 claims
- 0279US10718569B2Heat treat furnace jigTOYO TANSO CO·Filed 2014·Granted Jul 21, 2020·2 cites·19 claims
- 0378US6136094ACrucible for crystal pulling and method of manufacturing sameTOYO TANSO CO·Filed 1997·Granted Oct 24, 2000·39 cites·20 claims
- 0478US5591832ABenzylated lignocellulosic substance and a producing method thereofJAPAN CHEMICAL ENGINEERING & M·Filed 1994·Granted Jan 7, 1997·29 cites·10 claims
- 0573US6432538B1Carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatusTOYO TANSO CO·Filed 2000·Granted Aug 13, 2002·13 cites·16 claims
- 0663US2020318908A1Heat treat furnace jigTOYO TANSO CO·Filed 2020·Application pending·0 cites
- 0759US2024210114A1Heat resistant structure and member for heat treatment furnaceOOWADA CARBON KOGYO KK·Filed 2022·Application pending·0 cites
- 0858US6489027B1High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereofTOYO TANSO CO·Filed 1999·Granted Dec 3, 2002·16 cites·20 claims
- 0951US7198247B2Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the sameTOYO TANSO CO·Filed 2001·Granted Apr 3, 2007·2 cites·4 claims
- 1051US2025146196A1C/c composite and ion engine gridTOYO TANSO CO·Filed 2023·Application pending·0 cites
- 1151US2015136017A1Carbon crucible and method of manufacturing sameTOYO TANSO CO·Filed 2013·Application pending·0 cites
- 1247US2006236724A1Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the sameTOYO TANSO CO·Filed 2006·Application pending·0 cites
- 1344US5548069ABenzylated lignocellulosic substance and a producing method thereofJAPAN CHEMICAL ENGINEERING & M·Filed 1995·Granted Aug 20, 1996·6 cites·9 claims
- 1439US2013011602A1C/c composite material and method of manufacturing the sameTOYO TANSO CO·Filed 2011·Application pending·0 cites
- 1531US9343188B2Control rod for high temperature gas reactorHIRAOKA TOSHIHARU·Filed 2010·Granted May 17, 2016·0 cites·16 claims
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