KN

Kyuichiro Nagai

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
Overall (All Time): #175,560 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7379397 Optical pickup and optical disc apparatus provided with the same Hiromitsu Mori, Atsushi Inoue, Toshimasa Kamisada, Ryuichiro Mizuno 2008-05-27
7076791 Optical pickup and optical disc apparatus provided with the same Hiromitsu Mori, Atsushi Inoue, Toshimasa Kamisada, Ryuichiro Mizuno 2006-07-11
6874157 Disk case Hirofumi Taguchi, Kenji Ogiro, Hikaru Mizutani, Shyunji Furukawa, Minoru Fujita 2005-03-29
6847605 Disk cartridge Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2005-01-25
6779194 Disc cartridge for one-sided disc-shaped recordable medium Tomomi Okamoto 2004-08-17
6711119 Disk cartridge with a holder having disk information on it Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2004-03-23
6665261 Disk cartridge Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2003-12-16
6625108 Disk cartridge Tomomi Okamoto, Atsushi Inoue, Hiroaki Ono 2003-09-23
6577593 Disk cartridge Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2003-06-10
6519220 Disk device with eliminatable gaps Nobuo Masuoka, Atsushi Inoue, Tomomi Okamoto 2003-02-11
6510132 Disk cartridge Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2003-01-21
6507560 Disc cartridge Tomomi Okamoto, Atsushi Inoue, Hiroaki Ono 2003-01-14
6480464 Disk cartridge with holder and disk information Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2002-11-12
6463030 Disc cartridge Tomomi Okamoto, Atsushi Inoue, Hiroaki Ono 2002-10-08
6449242 Disk cartridge Tomomi Okamoto, Atsushi Inoue, Hiroaki Ono 2002-09-10
6400678 Disc cartridge Tomomi Okamoto, Atsushi Inoue, Hiroaki Ono 2002-06-04
6349087 Disk cartridge with a disk holding member Tomomi Okamoto, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2002-02-19
6285642 Disk device with vibration-insulating mechanism Nobuo Masuoka, Atsushi Inoue, Tomomi Okamoto 2001-09-04
6256288 Disk apparatus and motor therefor Yoshiaki Yamauchi, Takashi Kouno, Shinobu Yoshida, Katsutoshi Nii, Noriyuki Kumasaka +1 more 2001-07-03
6008963 Magnetic recording having a slidable chassis Yasuhiro Nemoto, Kazuo Sakai, Yoshiyuki Tanaka 1999-12-28
5982719 Disc auto changer for recording or reproducing information on a desired disc of a plurality of discs in a magazine Tatsumi Nishijima, Tomomi Okamoto, Ikuo Nishida, Kouhei Takita, Katsuyuki Tanaka +3 more 1999-11-09
5862119 Disc inclining/disc inverting mechanism in a disc storage/playback apparatus Tatsumi Nishijima, Tomomi Okamoto, Ikuo Nishida, Kouhei Takita 1999-01-19
4837646 Tape guide apparatus for helically wound tape Nobuyuki Kaku, Kenji Ogiro 1989-06-06
4583137 Signal-recording/reproducing apparatus Kenji Ogiro, Nobuyuki Kaku, Morio Umemura 1986-04-15