TT

Teruo Tohma

Pioneer Electronic: 4 patents #477 of 1,840Top 30%
TP Tohoku Pioneer: 3 patents #81 of 312Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #750,176 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7851074 Organic electroluminescent display device and chemical compounds for liquid crystals Junji Kido, Hitoshi Nakada, Ryuji Murayama, Toshinao Yuki 2010-12-14
7745987 Organic electroluminescent display device Isamu Ohshita, Teruichi Watanabe, Gen Suzuki, Kunizo Ogoshi 2010-06-29
7195826 Organic electroluminescent display device and chemical compounds for liquid crystals Junji Kido, Hitoshi Nakada, Ryuji Murayama, Toshinao Yuki 2007-03-27
5496766 Method for producing a luminous element of III-group nitride Hiroshi Amano, Isamu Akasaki, Toshiyuki Tanaka, Katsuhide Manabe 1996-03-05
5022738 Optical fiber nonlinear wavelength modulator device Naota Uenishi, Takafumi Uemiya, Akira Mizoguchi, Yasuji Ogaki, Yasuhiro Hattori +2 more 1991-06-11
4395814 Acoustic vibrating element of graphite and method of manufacturing same Tsunehiro Tsukagoshi, Shinichi Yokozeki 1983-08-02
4196022 Surface hardening method Toshikazu Yoshino, Tsunehiro Tsukagoshi 1980-04-01