RO

Ritsuko Obata

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #2,237,768 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6060215 Photosensitive resin composition and application of its photosensitivity Jin Amanokura, Fumihiko Ota, Toshihiko Akahori, Kenji Suzuki, Hiroshi Nishizawa +3 more 2000-05-09
5532105 Photolithographically viahole-forming photosensitive element comprising two photosensitive layers for the fabrication process of multilayer wiring board Takashi Yamadera, Kazumasa Takeuchi, Naoki Fukutomi, Kazuko Suzuki 1996-07-02