HK

Hirofumi Kamitakahara

Canon: 21 patents #3,043 of 19,416Top 20%
Overall (All Time): #211,985 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6276786 Packaging structure for ink tank and ink tank packaged in such packaging structure Masataka Eida, Kenji Ookawara, Hajime Kishida, Kazuhiro Nakajima 2001-08-21
5759455 Roller-shaped stamper for fabricating optical scales Osamu Kanome 1998-06-02
5527497 Process and apparatus for manufacturing substrate sheet for optical recording mediums, and process for preparing stamper Osamu Kanome, Yomishi Toshida, Tsuyoshi Santo, Hitoshi Yoshino, Toshiya Yuasa +1 more 1996-06-18
5516469 Process for producing substrate sheet for information recording mediums Tsuyoshi Santoh, Hiroyuki Sugata, Masataka Yashima, Hitoshi Yoshino, Osamu Kanome +2 more 1996-05-14
5503888 Optical recording medium, substrate for optical recording medium, and method for preparing substrate for optical recording medium Osamu Kanome, Naoki Kushida, Hitoshi Yoshino, Toshiya Yuasa, Takashi Kai 1996-04-02
5460766 Process of making substrate for an optical recording medium Yukitoshi Ohkubo, Naoki Kushida, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato +1 more 1995-10-24
5456866 Process for manufacturing a substrate sheet for information recording mediums Osamu Kanome, Naoki Kushida, Hitoshi Yoshino, Toshiya Yuasa, Takashi Kai +1 more 1995-10-10
5433897 Method and apparatus for preparing substrate sheet for optical recording medium Osamu Kanome, Naoki Kushida, Hitoshi Yoshino, Toshiya Yuasa, Takashi Kai 1995-07-18
5383834 Roll stamper for forming a base for information recording medium Osamu Kanome, Hitoshi Yoshino, Tetsuya Sato, Hisanori Hayashi 1995-01-24
5368789 Method for forming substrate sheet for optical recording medium Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato, Hisanori Hayashi 1994-11-29
5324188 Roller stamper for molding a substrate sheet to become an information recording medium Tsuyoshi Santoh, Hiroyuki Sugata, Masataka Yashima, Hitoshi Yoshino, Osamu Kanome +2 more 1994-06-28
5320514 Roll stamper, and apparatus and process for manufacturing substrate sheet for information recording mediums by using the same Osamu Kanome, Naoki Kushida, Hitoshi Yoshino, Toshiya Yuasa, Takashi Kai +1 more 1994-06-14
5320787 Apparatus and process for manufacturing substrate sheet for information recording mediums Hisanori Hayashi, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato 1994-06-14
5308235 Roll stamper and apparatus for forming a substrate for information recording medium Yukitoshi Ohkubo, Naoki Kushida, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato +1 more 1994-05-03
5281372 Process for producing resin moldings having a concave-convex pattern on the surface Hisanori Hayashi, Naoki Kushida, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato 1994-01-25
5267228 Substrates for optical cards, process for preparing substrates for optical cards, optical cards and apparatus for recording and reproducing information on optical cards Masataka Yashima, Osamu Kanome, Tsuyoshi Santoh, Hiroyuki Sugata, Tetsuya Sato +2 more 1993-11-30
5266136 Process for producing a roll stamper for molding a substrate sheet for information recording mediums Osamu Kanome, Tsuyoshi Santoh, Hiroyuki Sugata, Masataka Yashima, Tetsuya Sato +2 more 1993-11-30
5173313 Roll-stamper for forming substrate of information-recording medium Tetsuya Sato, Osamu Kanome, Hitoshi Yoshino, Hisanori Hayashi 1992-12-22
5167792 Master holder of stamper electroforming apparatus and electroforming method Naoki Kushida, Hitoshi Yoshino, Osamu Kanome, Hisanori Hayashi 1992-12-01
5147592 Process of and apparatus for preparing optical recording medium substrates Tetsuya Sato, Osamu Kanome, Hitoshi Yoshino, Hisanori Hayashi, Tsuyoshi Santoh 1992-09-15
5147763 Process for producing molding stamper for data recording medium substrate 1992-09-15