HT

Haruyoshi Takatsu

DC Dainippon Ink And Chemicals: 56 patents #1 of 1,002Top 1%
DI Dic: 7 patents #60 of 844Top 8%
Hoffmann-La Roche: 3 patents #991 of 3,238Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KR Kawamura Institute Of Chemical Research: 2 patents #15 of 58Top 30%
NE Nemoptic: 2 patents #12 of 32Top 40%
D( Dic Corporation (Tokyo): 1 patents #10 of 54Top 20%
SC Srchemical Co.: 1 patents #7 of 24Top 30%
📍 Soma, JP: #5 of 570 inventorsTop 1%
Overall (All Time): #32,049 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
4754051 Optically active tolan derivative Makoto Sasaki, Kiyohumi Takeuchi 1988-06-28
4726910 Tolan-type nematic liquid crystalline compounds Makoto Sasaki, Yasuyuki Tanaka, Hisato Sato 1988-02-23
4713468 Tolan-type nematic liquid crystalline compounds Makoto Sasaki, Yasuyuki Tanaka, Hisato Sato 1987-12-15
4705905 Tolan-type nematic liquid crystalline compounds Makoto Sasaki, Yasuyuki Tanaka, Hisato Sato 1987-11-10
4705870 Tolan-type nematic liquid crystalline compounds Makoto Sasaki, Yasuyuki Tanaka, Hisato Sato 1987-11-10
4698177 Cyclohexylcyclohexene derivatives Yasuyuki Tanaka, Kiyohumi Takeuchi 1987-10-06
4654421 4-substituted phenyl crotyl ether derivative Yasuyuki Tanaka, Kiyohumi Takeuchi 1987-03-31
4558151 Nematic liquid crystalline compounds Hisato Sato 1985-12-10
4480117 Nematic liquid crystalline compounds Hisato Sato 1984-10-30
4472592 Nematic liquid crystalline compounds Hisato Sato 1984-09-18
4455261 4-N-Alkylbenzoyloxy-3'-fluoro-4'-cyanobenzenes Makoto Sasaki, Hisato Sato, Tuneo Shimamura, Kazuhisa Toriyama, Tamihito Nakagomi 1984-06-19
4455443 Nematic halogen Compound Hisato Sato 1984-06-19
4431853 Dicyclohexylethane derivatives Hisato Sato, Kiyofumi Takeuchi, Yutaka Fujita, Masayuki Tazume, Hiroyuki Ohnishi 1984-02-14
4393258 1-Cyclohexyl-2-cyclohexylphenylethane derivatives Hisato Sato, Yutaka Fujita, Masayuki Tazume, Kiyohumi Takeuchi, Hiroyuki Ohnishi 1983-07-12
4207252 Nematic liquid crystalline compounds Hisato Sato 1980-06-10
4202791 Nematic liquid crystalline materials Hisato Sato, Masayuki Tazume 1980-05-13
4198312 3'-Chloro-4'-cyanophenyl 4-n-alkylbenzoates Hisato Sato, Yutaka Fujita 1980-04-15