SY

Seiji Yamanaka

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
MC Mitsubishi Mining & Cement Co.: 2 patents #30 of 110Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #667,658 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5737273 Sense amplifier and reading circuit with sense amplifier Hideo Fujiwara, Toshihisa Nagata, Hiizu Okubo 1998-04-07
5729499 Sense amplifier and reading circuit with sense amplifier Hideo Fujiwara, Toshihisa Nagata, Hiizu Okubo 1998-03-17
5285069 Array of field effect transistors of different threshold voltages in same semiconductor integrated circuit Mitsuo Kaibara, Hiizu Okubo, Takako Maruyama, Hideyuki Aota 1994-02-08
5273776 Method for forming thermistor thin film Tadashi Yonezawa, Takeshi Soe 1993-12-28
5093291 Pyroelectric ceramic composite structure Akira Kawabata, Tadashi Shiozaki, Masatoshi Adachi, Tamotsu Ueyama 1992-03-03
5071635 Method of preparing ceramic microspheres Yasuyuki Ogata, Kohji Shirota 1991-12-10
4789653 Method for production of ceramic composition Yasuyuki Ogata, Hidetsugu Ono 1988-12-06
D296290 Toaster 1988-06-21