TH

Toshiharu Hiraoka

TC Toyo Tanso Co.: 7 patents #12 of 192Top 7%
SC Shin-Etsu Quartz Products Co.: 1 patents #77 of 149Top 55%
Overall (All Time): #563,784 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10718569 Heat treat furnace jig Syuhei Tomita, Hiroshi Machino, Shingo Bito 2020-07-21
9343188 Control rod for high temperature gas reactor Takashi Konishi, Masatoshi Yamaji, Hiroshi Machino, Taiju Shibata, Kazuhiro Sawa 2016-05-17
7198247 Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the same Yoshihisa Kusano, Atsuyuki Shimada 2007-04-03
6489027 High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereof Teruhisa Kondo, Toshiaki Sogabe, Masatoshi Yamaji, Naoto Ohta 2002-12-03
6455160 High purity C/C composite and manufacturing method thereof Tsuyoshi Matsumoto 2002-09-24
6432538 Carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatus Naoto Ohta, Akira Asari, Toshiaki Sogabe 2002-08-13
6136094 Crucible for crystal pulling and method of manufacturing same Masatoshi Yamaji, Katsuhide Nagaoka, Tsuyoshi Matsumoto, Satoshi Ishikawa 2000-10-24
5591832 Benzylated lignocellulosic substance and a producing method thereof Tetsuo Koshijima, Nobuo Shiraishi, Tadashi Takahashi, Masami Ueda 1997-01-07
5548069 Benzylated lignocellulosic substance and a producing method thereof Tetsuo Koshijima, Nobuo Shiraishi, Tadashi Takahashi, Masami Ueda 1996-08-20