Issued Patents All Time
Showing 101–125 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D452281 | Memory cartridge for electronic game machine | — | 2001-12-18 |
| 6305865 | Push button type ballpoint pen | Kazuhiro Yoshii, Kazuhiko Sasaki | 2001-10-23 |
| 6294310 | Optical information recording medium and optical recording method | Michikazu Horie | 2001-09-25 |
| 6188630 | Semiconductor memory device | Hitoshi Doi | 2001-02-13 |
| 6177166 | Optical information recording medium | Masao Komatsu, Natsuko Nobukuni | 2001-01-23 |
| 6154782 | Server switching between communication modes for clients coupled to the server | Naohisa Kawaguchi, Kazuki Matsui, Akinori Iwakawa | 2000-11-28 |
| 6143468 | Optical information recording medium and optical recording method | Michikazu Horie | 2000-11-07 |
| 6128273 | Optical phase-change disc | Michikazu Horie, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 2000-10-03 |
| 6120379 | Portable game machine and portable game machine cartridge | Hirokazu Tanaka, Satoru Okada, Masahiko Ota, Masato Kuwahara | 2000-09-19 |
| 6115352 | Optical information recording medium capable of rewriting data at low reflectance and deterioration condition | Masaaki Mizuno, Masae Kubo, Kanako Tsuboya, Michikazu Horie | 2000-09-05 |
| 6115353 | Optical phase-change disc having a grooved substrate, with the groove having specific wobbled and non-wobbled regions | Michikazu Horie, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 2000-09-05 |
| 6108295 | Optical information recording medium | Masaaki Mizuno, Masae Kubo, Kanako Tsuboya, Michikazu Horie | 2000-08-22 |
| D428939 | Cartridge for game machine | Masahiko Ota | 2000-08-01 |
| 6009460 | Virtual reality space sharing system having self modifying avatars (symbols) in accordance to a category that the symbol belongs | Kazuki Matsui, Akinori Iwakawa, Naohisa Kawaguchi | 1999-12-28 |
| 6004646 | Optical information recording medium | Masao Komatsu, Masae Kubo, Masaaki Mizuno, Natsuko Nobukuni, Michikazu Horie +1 more | 1999-12-21 |
| 5956028 | Virtual space communication system, three-dimensional image display method, and apparatus therefor | Kazuki Matsui, Naohisa Kawaguchi, Akinori Iwakawa, Hiroaki Harada | 1999-09-21 |
| D413623 | Portable printer | — | 1999-09-07 |
| 5933676 | Image forming apparatus, and control apparatus and method therefor | — | 1999-08-03 |
| 5930752 | Audio interactive system | Naohisa Kawaguchi, Kazuki Matsui, Akinori Iwakawa, Hiroaki Harada | 1999-07-27 |
| 5925175 | Direct filling ink capable of being used for a ballpoint pen containing an aqueous ink composition | Teruaki Fukasawa, Kazuhiro Yoshii | 1999-07-20 |
| 5894307 | Communications apparatus which provides a view of oneself in a virtual space | Kazuki Matsui, Akinori Iwakawa, Naohisa Kawaguchi | 1999-04-13 |
| 5886234 | Process for producing cyclic unsaturated aldehydes | Toshiyuki Tsubouchi | 1999-03-23 |
| 5862123 | Optical phase-change disc | Michikazu Horie, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno, Masaaki Mizuno +2 more | 1999-01-19 |
| 5848043 | Modulation of laser power in accordance with a linear velocity by pulse division schemes | Ken' Ichi Takada, Natsuko Nobukuni, Michikazu Horie, Haruo Kunitomo | 1998-12-08 |
| 5818808 | Optical recording process and optical recording system | Ken'ichi Takada, Natsuko Nobukuni, Michikazu Horie, Haruo Kunitomo | 1998-10-06 |