KT

Kazutoshi Tomiyoshi

SC Shin-Etsu Chemical Co.: 45 patents #65 of 2,176Top 3%
HC Hokko Chemical Industry Co.: 2 patents #30 of 157Top 20%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Nichia: 1 patents #1,005 of 1,531Top 70%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #58,775 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
6001901 Epoxy resin composition Toshio Shiobara, Eiichi Asano, Shigeki Ino 1999-12-14
5940688 Epoxy resin composition and semiconductor device encapsulated therewith Noriaki Higuchi, Takaaki Fukumoto, Toshio Shiobara, Eiichi Asano 1999-08-17
5935314 Inorganic filler, epoxy resin composition, and semiconductor device Noriaki Higuchi, Takaaki Fukumoto, Toshio Shiobara, Eiichi Asano 1999-08-10
5418266 Epoxy resin compositions and semiconductor devices encapsulated therewith Toshio Shiobara, Takayuki Aoki 1995-05-23
5358980 Naphthol novolac epoxy resin compositions and semiconductor devices encapsulated therewith Toshio Shiobara 1994-10-25
5312878 Naphthalene containing epoxy resin cured with a dicyclopentadiene phenolic resin Toshio Shiobara, Takayuki Aoki, Hatsuji Shiraishi 1994-05-17
5300588 Thermosetting resin compositions Toshio Shiobara, Hisashi Shimizu, Manabu Marumi 1994-04-05
5298548 Epoxy resin composition and semiconductor devices encapsulated therewith Toshio Shiobara, Takayuki Aoki, Hisashi Shimizu, Takashi Tsuchiya 1994-03-29
5250637 Semiconductor encapsulating epoxy resin compositions and semiconductor devices Toshio Shiobara, Yasuo Tarumi, Hiromasa Yamaguchi 1993-10-05
5243058 Allyl or propenyl group-containing naphthalene derivatives Toshio Shiobara, Hisashi Shimizu, Manabu Narumi 1993-09-07
5225484 Epoxy resin compositions and cured products thereof Toshio Shiobara, Takayuki Aoki, Takashi Tsuchiya 1993-07-06
5190995 Naphthalene ring containing epoxy resin composition and semiconductor device encapsulated therewith Toshio Shiobara 1993-03-02
5173544 Epoxy resin compositions Hisashi Shimizu, Hatsuji Shiraishi, Toshio Shiobara 1992-12-22
5171869 Allyl or propenyl group-containing naphthalene derivatives Toshio Shiobara, Hisashi Shimizu, Manabu Narumi 1992-12-15
5166228 Epoxy resin compositions containing polysubstituted novolac epoxy resins and naphthylene based phenolic resin curing agents and semiconductor devices encapsulated therewith Toshio Shiobara, Koji Futatsumori, Takashi Tsuchiya, Takayuki Aoki 1992-11-24
5162400 Epoxy resin compositions and semiconductor devices encapsulated therewith Toshio Shiobara, Takashi Tsuchiya, Takayuki Aoki 1992-11-10
5137940 Semiconductor encapsulating epoxy resin compositions Toshio Shiobara, Hatuji Shiraishi, Koji Futatsumori 1992-08-11
5053445 Epoxy resin composition Kunio Itoh, Toshio Shiobara, Koji Futatsumori, Hisashi Shimizu 1991-10-01
4902732 Epoxy resin-based curable compositions Kunio Itoh, Sumiko Komiya, Toshio Shiobara, Yoshio Fujimura 1990-02-20
4877822 Epoxy resin composition Kunio Itoh, Toshio Shiobara, Koji Futatsumori, Hisashi Shimizu 1989-10-31
4859722 Epoxy resin composition Toshio Shiobara 1989-08-22
4701479 Epoxy resin-based composition for encapsulation of semiconductor devices Toshio Shiobara 1987-10-20
4701482 Epoxy resin composition for encapsulation of semiconductor devices Kunio Itoh, Toshio Shiobara, Koji Futatsumori, Hisashi Shimizu 1987-10-20