AY

Akira Yamada

NC Nippon Oil & Fats Co.: 2 patents #97 of 409Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,301,797 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5209847 Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane Norihiro Kaiya, Naoyuki Amaya, Yoshishige Murata, Mikio Takagi, Kazuichi Tsuda +2 more 1993-05-11
4907038 Langmuir Blodgett ultrathin membrane of polyfumarate Kiyotaka Shigehara, Masahiko Hara, Hidenari Nakahama, Seizo Miyata, Yoshishige Murata 1990-03-06