HK

Hiroji Kawai

SO Sony: 31 patents #1,109 of 25,231Top 5%
CH Chiyoda: 1 patents #141 of 358Top 40%
TS The University Of Sheffield: 1 patents #43 of 262Top 20%
Overall (All Time): #98,760 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5753966 Semiconductor device with cleaved surface Etsuo Morita 1998-05-19
5200021 Method and apparatus for vapor deposition Syunji Imanaga, Ichiro Hase, Kunio Kaneko, Naozo Watanabe 1993-04-06
5140399 Heterojunction bipolar transistor and the manufacturing method thereof 1992-08-18
5123836 Method for the combustion treatment of toxic gas-containing waste gas Noriyuki Yoneda, Hidehiko Kudoh, Norio Iwamoto, Munekazu Nakamura, Chiaki Kojima +3 more 1992-06-23
5124771 Semiconductor device Kenichi Taira, Ichiro Hase 1992-06-23
4916499 Junction field effect transistor with vertical gate region 1990-04-10
4903104 Heterojunctional collector-top type bi-polar transistor Kenichi Taira 1990-02-20
4758870 Semiconductor device Ichiro Hase, Shunji Imanaga, Kunio Kaneko 1988-07-19
4751195 Method of manufacturing a heterojunction bipolar transistor 1988-06-14
4252669 Luminescent material and method of making the same Tomohiko Abe, Shigeru Yokono, Teruhiko Hoshina, deceased 1981-02-24