HY

Hisashi Yamamoto

Canon: 22 patents #5 of 2,200Top 1%
EI Eisai: 1 patents #80 of 180Top 45%
Overall (1997): #39 of 185,788Top 1%
23
Patents 1997

Issued Patents 1997

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
D386520 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-11-18
D386203 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-11-11
D385909 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-11-04
D384371 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-09-30
D382895 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-08-26
D382588 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-08-19
D382586 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-08-19
D382013 Ink cartridge holder for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-08-05
D381680 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-07-29
D381040 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-07-15
D380490 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-07-01
D380489 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-07-01
D380491 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-07-01
D378832 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-04-15
5619239 Replaceable ink tank Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more 1997-04-08
D378600 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-25
D378599 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-25
D378527 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-18
D378526 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-18
D378530 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-18
D378529 Cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-18
D378528 Ink cartridge for printer Naoki Tashiro, Toshihiko Ujita, Teruo Arashima, Yuji Hamasaki, Wataru Takahashi 1997-03-18
5610113 Process for the preparation of .alpha.-tocopherol derivatives, and catalyst Makoto Matsui 1997-03-11