HO

Hiroaki Ono

HI Hitachi: 8 patents #42 of 3,950Top 2%
NK Nippon Kayaku: 1 patents #18 of 76Top 25%
Overall (2002): #2,267 of 266,432Top 1%
9
Patents 2002

Issued Patents 2002

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6501718 Disk, recording and reproduction apparatus, and recording and reproduction method Shigemitsu Higuchi 2002-12-31
6480464 Disk cartridge with holder and disk information Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Atsushi Inoue, Nobuo Masuoka 2002-11-12
6463030 Disc cartridge Tomomi Okamoto, Kyuichiro Nagai, Atsushi Inoue 2002-10-08
6449242 Disk cartridge Tomomi Okamoto, Kyuichiro Nagai, Atsushi Inoue 2002-09-10
6409810 Water-soluble trisazo compounds, aqueous ink composition and colored article Takashi Miyazawa, Toru Tabei, Yasuo Shirasaki, Isao Yamaguchi, Kazunobu Nagasaki 2002-06-25
6400678 Disc cartridge Tomomi Okamoto, Kyuichiro Nagai, Atsushi Inoue 2002-06-04
6388831 Apparatus and method for limiting the reproduction of main information Kiyoshi Kano, Hideo Nishijima, Takao Arai, Takaharu Noguchi, Nobutaka Amada +5 more 2002-05-14
6373799 Optical disk and recording/reproduction apparatus using the same Shigemitsu Higuchi, Kenji Sano 2002-04-16
6349087 Disk cartridge with a disk holding member Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Atsushi Inoue, Nobuo Masuoka 2002-02-19