SW

Seiji Watahiki

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,220,169 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6483167 Semiconductor device and production method thereof Toshihide Nabatame, Masaru Kadoshima, Takaaki Suzuki, Tetsuo Fujiwara, Yasuhiko Murata +1 more 2002-11-19
5200373 High strength composite ceramic structure and process for producing the same Yoshiyuki Yasutomi, Junji Sakai, Akio Chiba, Tadahiko Miyoshi, Masahisa Sobue 1993-04-06