Yasumichi Yasuda has been granted 14 US patents while listed as an inventor at Hitachi . The first was granted in 1980 and the most recent in March 2001. Yasumichi Yasuda ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Yasumichi Yasuda in Hitachi, JP.
Patents per Year Patents granted per year, 1980 to 2001 Bar chart with a peak of 4 patents in 1993. peak 4 1980: 1 patents 1980 1990: 1 patents 1990 1991: 1 patents 1991 1993: 4 patents 1993 1994: 1 patents 1994 1996: 1 patents 1996 1997: 2 patents 1997 1998: 1 patents 1998 1999: 1 patents 1999 2001: 1 patents 2001 Issued Patents All Time
Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6198126 Semiconductor device and power converter using same Mutsuhiro Mori , Hiromi Hosoya 2001-03-06
$311,000
5898199 Semiconductor device and power converter using same Mutsuhiro Mori , Hiromi Hosoya 1999-04-27
$538,000
5804868 Semiconductor device having planar junction Hideo Kobayashi , Mutsuhiro Mori , Yasunori Nakano 1998-09-08
$112,000
5691553 Semiconductor device and power converter using same Mutsuhiro Mori , Hiromi Hosoya 1997-11-25
$97,000
5670811 Vertical insulated gate semiconductor device having high current density and high reliability Mutsuhiro Mori , Tomoyuki Tanaka , Yasunori Nakano 1997-09-23
$115,000
5539244 Power semiconductor device Mutsuhiro Mori , Hiroyuki Ozawa , Jin Onuki 1996-07-23
$83,000
5285094 Vertical insulated gate semiconductor device with less influence from the parasitic bipolar effect Mutsuhiro Mori , Tomoyuki Tanaka , Yasunori Nakano 1994-02-08
$87,000
5274541 Parallel circuit module including a diode and an IGBT Shin Kimura , Yasuo Matsuda , Norikazu Tokunaga , Mutsuhiro Mori , Toshiki Kurosu +4 more 1993-12-28
$75,000
5262339 Method of manufacturing a power semiconductor device using implants and solid diffusion source Mutsuhiro Mori , Yasunori Nakano 1993-11-16
$74,000
5208471 Semiconductor device and manufacturing method therefor Mutsuhiro Mori , Yasunori Nakano 1993-05-04
$75,000
5179034 Method for fabricating insulated gate semiconductor device Mutsuhiro Mori , Tomoyuki Tanaka , Yasunori Nakano 1993-01-12
$29,000
5032532 Method for fabricating insulated gate semiconductor device Mutsuhiro Mori , Tomoyuki Tanaka , Yasunori Nakano 1991-07-16
$81,000
4935799 Composite semiconductor device Mutsuhiro Mori , Tomoyuki Tanaka 1990-06-19
4193826 Vapor phase diffusion of aluminum with or without boron Yasuhiro Mochizuki , Hiroaki Hachino , Yutaka Misawa , Takuzo Ogawa 1980-03-18
$401,000
