RM

Ryuma Mizusawa

TC Tokyo Ohka Kogyo Co.: 10 patents #121 of 684Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Overall (All Time): #500,446 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11491772 Substrate bonding method and laminated body production method Tomoyuki Ando 2022-11-08
7402376 Photosensitive resin composition and photosensitive dry film containing the same Syunji Nakazato, Hiroyuki Obiya, Takashi Ono, Yusuke Fujito 2008-07-22
6897011 Photosensitive composition for sandblasting and photosensitive film using the same Akira Kumazawa, Syunji Nakazato, Hiroyuki Obiya 2005-05-24
6322947 Photosensitive composition for sandblasting and photosensitive film laminate comprising the same Shinkichi Asahi, Syunzi Nakazato, Hiroyuki Obiya 2001-11-27
6200733 Photosensitive composition for sandblasting and photosensitive film comprising the same Syunji Nakazato, Hiroyuki Obiya 2001-03-13
5924912 Photosensitive resin composition for sandblast resist Hiroshi Takehana, Tetsuo Yamamoto, Hiroyuki Obiya 1999-07-20
5919569 Photosensitive resin composition and photosensitive resin laminated film containing the same Hiroyuki Obiya 1999-07-06
5916738 Photosensitive resin composition for sandblast resist Hiroshi Takehana, Tetsuo Yamamoto, Hiroyuki Obiya 1999-06-29
5776995 Photosensitive resin composition and photosensitive resin laminated film containing the same Hiroyuki Obiya 1998-07-07
5756261 Photosensitive resin composition for sandblast resist Hiroshi Takehana, Tetsuo Yamamoto, Hiroyuki Obiya 1998-05-26