HO

Hiroyasu Ohta

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Overall (All Time): #1,268,978 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6558821 Ceramic sinter, and wear resistant member and electronic component member using thereof Katsuhiro Shinosawa, Mineyuki Yamaga 2003-05-06
4902653 Silicon nitride ceramic article Michiyasu Komatsu 1990-02-20
4539298 Highly heat-conductive ceramic material Katsutoshi Komeya, Akihiko Tsuge, Hiroshi Inoue 1985-09-03
4407971 Sintered body of silicon nitride-based ceramics Michiyasu Komatsu, Akihiko Tsuge 1983-10-04