Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861812 | Discharge lamp ballast with DC-DC converter | Takashi Kambara, Toshiaki Nakamura, Miki Kotani, Hirofumi Konishi | 2005-03-01 |
| 6693393 | Ballast for a discharge lamp | Hirofumi Konishi, Toshiaki Nakamura, Takashi Kambara, Miki Kotani | 2004-02-17 |
| 6680899 | Optical information medium | Tsuyoshi Komaki, Hideki Hirata, Naoki Hayashida | 2004-01-20 |
| 6576320 | Optical information medium and evaluation method | Naoki Hayashida, Hideki Hirata | 2003-06-10 |
| 5541910 | Optical disk substrate and optical disk using the same | Michiki Naganawa, Kazuki Suzawa | 1996-07-30 |
| 5316466 | Disc molding apparatus | Yasuo Ohira, Toshihiko Ishida | 1994-05-31 |
| 5244706 | Optical recording disk | Hideki Hirata, Setsuko Shibuya, Atsuko Motai | 1993-09-14 |
| 5242729 | Optical recording medium | Hideki Hirata, Setsuko Shibuya, Atsuko Motai | 1993-09-07 |
| 5215798 | Optical recording medium | Hideki Hirata, Osamu Murakami | 1993-06-01 |
| 5213862 | Optical recording disk | Hideki Hirata, Osamu Murakami | 1993-05-25 |
| 5128983 | Transaction processing terminal capable of loading data externally transmitted and transaction processing system including the same | — | 1992-07-07 |
| 5119294 | POS terminal group management device with memory for pre-storing different collection data ranges for each POS terminal | — | 1992-06-02 |
| 5092758 | Disc molding apparatus | Yasuo Ohira, Toshihiko Ishida | 1992-03-03 |
| 4935608 | Card authorization terminal system in which one terminal transmits data to a designated other terminal | — | 1990-06-19 |