RT

Ryoji Takahashi

CH Chisso: 8 patents #104 of 833Top 15%
SC Sanken Electric Co.: 6 patents #57 of 315Top 20%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
TO Tokuyama: 2 patents #163 of 562Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
NS Nec Display Solutions: 1 patents #138 of 237Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
BE Bandai Namco Entertainment: 1 patents #43 of 173Top 25%
SS Sharp Nec Display Solutions: 1 patents #26 of 68Top 40%
Overall (All Time): #145,619 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4278581 Mold binder material Tetsuo Nakazawa, Junji Sakai, Syogo Morimoto, Takatoshi Tanigawa, Seiji Okazaki 1981-07-14
4208695 Proximity detector Masahiro Noda 1980-06-17