SU

Sadao Umezawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
KC Kuraray Co.: 2 patents #662 of 1,827Top 40%
Overall (All Time): #1,039,694 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6740606 Laminated sheet and manufacturing method therefor Kihachiro Ishiguro, Akira Hiruma, Kunihiko Ogawa, Yoshikane Takagi 2004-05-25
6552481 Color cathode ray tube having deformation-resistant shadow mask Takeharu Furusawa, Nobuhiko Hosotani 2003-04-22
6398899 Method for manufacture of EMI shielding Kihachiro Ishiguro, Akira Hiruma, Kunihiko Ogawa, Yoshikane Takagi 2002-06-04
4875170 Method and apparatus for estimating life expectancy of mechanical structures Shigeo Sakurai, Saburo Usami, Hiroshi Miyata, Hajime Toriya, Kuniyoshi Tsubouchi +1 more 1989-10-17
4786233 Gas turbine cooled blade Mitsutaka Shizuya, Kazuhiko Kawaike, Katsuo Wada, Nobuyuki Iizuka, Tomo Sato 1988-11-22