HY

Hiroyasu Yamada

Casio Computer Co.: 19 patents #79 of 1,970Top 5%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
NE Nec: 3 patents #4,195 of 14,502Top 30%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SL Sugino Machine Limited: 1 patents #48 of 124Top 40%
📍 Kawagoe, JP: #31 of 1,278 inventorsTop 3%
Overall (All Time): #108,474 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5461419 Photoelectric conversion system 1995-10-24
5278428 Thin film memory cell Hiroshi Matsumoto, Syunichi Sato 1994-01-11
5196912 Thin film transistor having memory function and method for using thin film transistor as memory element Hiroshi Matsumoto, Nobuyuki Yamamura, Shinichi Shimomaki, Naohiro Konya, Kyuya Baba 1993-03-23
5060034 Memory device using thin film transistors having an insulation film with Si/N composition ratio of 0.85 to 1.1 Hideaki Shimizu, Nobuyuki Yamamura, Haruo Wakai, Hiroshi Matsumoto 1991-10-22
4682685 Conveyor in plastic working machine Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama, Akira Namiki +1 more 1987-07-28
4658626 Conveyor in plastic working machine Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama, Akira Namiki +1 more 1987-04-21
4657734 Method for preparing a sliding face of a machine tool Motoatsu Shiraishi 1987-04-14
4625540 Conveyor in plastic working machine Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama, Akira Namiki +1 more 1986-12-02