NK

Nobuyuki Kaku

HI Hitachi: 58 patents #182 of 28,497Top 1%
MA Maxell: 20 patents #26 of 437Top 6%
HM Hitachi Maxell: 10 patents #74 of 1,211Top 7%
HS Hitachi Video And Information Systems: 3 patents #39 of 269Top 15%
HI Hitachi Video Engineering, Incorporated: 2 patents #34 of 181Top 20%
HC Hitachi Consumer Electronics Co.: 2 patents #119 of 447Top 30%
FA Fipa Frohwitter Intellectual Property Ag: 1 patents #5 of 18Top 30%
HE Hitachi Video Eng.: 1 patents #2 of 36Top 6%
Overall (All Time): #21,315 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 51–75 of 82 patents

Patent #TitleCo-InventorsDate
5927632 Tape cassette having a surface recess for positioning accuracy in loading thereof Seiji Ono, Yoshimi Maehara, Mikihisa Inoue 1999-07-27
5825969 Information management apparatus for inhibiting reproduction in a video cassette recorder Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Takaharu Noguchi +5 more 1998-10-20
5812340 Magnetic tape recording and reproducing plug-in unit Tatsumi Nishijima, Kyuichirou Nagai, Kenmei Masuda 1998-09-22
5808824 Tape feed control system Kouji Kaniwa, Kouji Fujita, Shigemitsu Higuchi 1998-09-15
5739976 Magnetic recording and reproducing apparatus Kazuo Sakai, Fumio Takeda, Taichiro Yamashita, Fujio Tajima, Takao Terayama +8 more 1998-04-14
5706146 Cassette detecting and discriminating arrangement in a cassette transport mechanism for loading and unloading tape cassettes of varying sizes and cassettes for use therewith Seiji Ono, Noriaki Masuda, Yoshimi Maehara, Mikihisa Inoue 1998-01-06
5702062 Tape cassette Seiji Ono, Yoshimi Maehara, Mikihisa Inoue 1997-12-30
5701214 Tape loading device in magnetic recording/playback apparatus that controls loading based on calculated reel inertia and tape position Atsushi Inoue, Takashi Sasaki 1997-12-23
5570831 Pneumatic static guide for a tape Hidekazu Takeda, Kenmei Masuda, Tomoki Shoji, Toshihiro Koyama, Kazuo Sakai +1 more 1996-11-05
5556051 Tape cartridge having a front lid with a covering wall Hikaru Mizutani, Yoshimi Maehara, Tatsumi Nishijima, Hidekazu Takeda, Kenji Ogiro 1996-09-17
5537279 Tape cassette and magnetic recording/reproducing device Hidekazu Takeda, Tomochika Yamashita, Yoshimi Maehara, Mikihisa Inoue, Hikaru Mizutani 1996-07-16
5503348 Opening and closing of a front lid of a tape cartridge Hikaru Mizutani, Yoshimi Maehara, Hidekazu Takeda, Kenji Ogiro 1996-04-02
5469319 Magnetic tape cassette having tape edge regulating members Hidekazu Takeda, Kenji Ogiro 1995-11-21
5454527 Tape cartridge Hikaru Mizutani, Yoshimi Maehara, Hidekazu Takeda, Kenji Ogiro 1995-10-03
5434735 Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head Kenmei Masuda, Shigemitsu Higuchi, Tomomi Okamoto, Fukuyasu Abe, Shigeyuki Kobata 1995-07-18
5343339 Tape loading device with selective tape loading characteristic for magnetic recording/reproducing apparatus Atsushi Inoue, Takashi Sasaki, Yasuyuki Niguchi, Yasuo Inagaki 1994-08-30
5307215 Method and device for loading tape in magnetic recorder Atsushi Inoue, Yasuo Inagaki, Toshihide Murata 1994-04-26
5295637 Cassette lid-locking element with shutter portion for closing a light passage window Hidekazu Takeda, Yoshimi Maehara, Mikihisa Inoue 1994-03-22
5115361 Guide mechanism for positioning tape guides in a magnetic tape loading apparatus Takao Terayama, Hajime Yokota, Kazuo Sakai 1992-05-19
5109305 Four head sequential switch scanning type magnetic recording/reproducing apparatus Atsuo Ohsawa, Shigeyuki Itoh 1992-04-28
5041928 Apparatus for loading a tape on a magnetic head drum of a helical scanning type video tape recorder Takashi Sasaki, Atsushi Inoue 1991-08-20
5016125 Tape loading mechanism for a magnetic recording/reproducing apparatus Hidekazu Takeda, Kenji Ogiro, Kyuichirou Nagai 1991-05-14
4991039 Apparatus for detecting tape-end 1991-02-05
4985788 Recording and reproducing apparatus Kiyoshi Kano, Tatsuya Shigemura, Yoshiyuki Tanaka, Yoshihiro Fukagawa, Masaki Uesugi 1991-01-15
4928191 Tape loading mechanism for a rotating drum and cassette type magnetic recording and/or reproduction apparatus Tatsuya Shigemura, Masaki Uesugi, Kiyoshi Kano, Kenji Ogiro 1990-05-22