KH

Keijiro Hirahara

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #2,277,049 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5497029 Tin-indium antimonide infrared detector Katsuyoshi Fukuda, Fumio Nakata, Keitaro Shigenaka 1996-03-05
4757364 Light emitting element Akira Miura, Koichi Mizushima, Nobuhiro Gemma, Taiji Furuno, Hiroyuki Sasabe 1988-07-12