ST

Shoji Tamai

MI Mitsui Toatsu Chemicals, Incorporated: 53 patents #6 of 1,543Top 1%
MC Mitsui Chemicals: 13 patents #98 of 2,279Top 5%
AM AMD: 1 patents #5,683 of 9,279Top 65%
Overall (All Time): #31,275 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
5087689 Polyimide and high-temperature adhesive of polyimide based on meta-phenoxy diamines Masahiro Ohta, Saburo Kawashima, Yoshiho Sonobe, Hideaki Oikawa, Kouji Ohkoshi +1 more 1992-02-11
5086125 Polyimide resin composition Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi 1992-02-04
5043419 Process for preparing a polyimide and a composite material containing the same Masahiro Ohta, Saburo Kawashima, Hideaki Oikawa, Akihiro Yamaguchi, Tomohito Koba +5 more 1991-08-27
5041520 Process for preparing polyimide having excellent high temperature stability Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi 1991-08-20
5013817 Process for preparing a polyimide and a composite material containing the same Masahiro Ohta, Saburo Kawashima, Hideaki Oikawa, Akihiro Yamaguchi, Tomohito Koba +5 more 1991-05-07
4994544 Production process for polyimide fibers Taizo Nagahiro, Masahiro Ohta, Shuichi Morikawa, Nubohito Koga 1991-02-19
4987197 Polyimide/polyamideimide resin composition Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi 1991-01-22
4959440 Polymide for high-temperature adhesive Saburo Kawashima, Yoshiho Sonobe, Masahiro Ohta, Hideaki Oikawa, Akihiro Yamaguchi 1990-09-25
4937316 Process for preparing polyimides Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi 1990-06-26
4931531 Polyimide and high-temperature adhesive thereof Masahiro Ohta, Saburo Kawashima, Katsuaki Iiyama, Hideaki Oikawa, Akihiro Yamaguchi 1990-06-05
4908409 Polyimide Hideaki Oikawa, Katsuaki Liyama, Nobuhito Koga, Saburo Kawashima, Masahiro Ohta +1 more 1990-03-13
4883718 Flexible copper-clad circuit substrate Masahiro Ohta, Saburo Kawashima, Yoshiho Snobe, Hideaki Oikawa, Akihiro Yamaguchi 1989-11-28
4847349 Polyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diamines Masahiro Ohta, Saburo Kawashima, Yoshiho Sonobe, Hideaki Oikawa, Kouji Ohkoshi +1 more 1989-07-11
4839232 Flexible laminate printed-circuit board and methods of making same Moritsugu Morita, Kazuo Miyazaki, Akihiro Yamaguchi, Masahiro Ohta, Kunio Nishihara 1989-06-13
4797466 High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine Hideaki Oikawa, Masahiro Ohta, Saburo Kawashima, Yoshiho Sonobe, Akihiro Yamaguchi 1989-01-10
4795798 High-temperature adhesive polyimide from 2,2-bis[4-(3-amino phenoxy)phenyl]1,1,1,3,3,3-hexafluoro propane Saburo Kawashima, Masahiro Ohta, Hideaki Oikawa, Kouji Ohkoshi, Akihiro Yamaguchi 1989-01-03
4734482 Polyimide from ether diamine having the indane structure and high-temperature adhesive of polyimide Saburo Kawashima, Yoshiho Sonobe, Masahiro Ohta, Hideaki Oikawa, Akihiro Yamaguchi 1988-03-29
4687836 Polyimide adhesives, coats and prepreg Akira Ibi, Takushi Sato, Akihiro Yamaguchi, Shigeru Takahashi, Shigeyuki Shishido +1 more 1987-08-18