Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848045 | Method for recording and reading an optical disk | Fumiyoshi Kirino, Tsuyoshi Toda, Hisataka Sugiyama, Atsushi Saito, Hiroyuki Tsuchinaga +6 more | 1998-12-08 |
| 5732061 | Recording method using trial write test pattern | Fumiyoshi Kirino, Takeshi Maeda, Toshimitsu Kaku, Seiichi Mita, Kazuo Shigematsu +1 more | 1998-03-24 |
| 5657308 | Apparatus for recording/reproducing information data in two dimensional format | Takeshi Maeda, Atsushi Saito | 1997-08-12 |
| 5642343 | Magnetooptic disc apparatus and recording medium | Tsuyoshi Toda, Kazuo Shigematsu, Seiichi Mita, Toshimitsu Kaku, Takeshi Maeda +2 more | 1997-06-24 |
| 5590111 | Method of controlling recording of optical records | Fumiyoshi Kirino, Takeshi Maeda, Toshimitsu Kaku, Seiichi Mita, Kazuo Shigematsu +1 more | 1996-12-31 |
| 5553051 | Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same | Hisataka Sugiyama, Takeshi Maeda, Kazuo Shigematsu, Masaru Ito | 1996-09-03 |
| 5513165 | Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing | Fumiyoshi Kirino, Tsuyashi Toda, Takeshi Maeda, Hiroyuki Tsuchinaga, Fumio Kugiya +4 more | 1996-04-30 |
| 5498641 | Polymerizable composition containing pyrromethene type coloring matter and titanocene compound | Toshiyuki Urano, Hideki Nagasaka, Masaaki Tsuchiyama | 1996-03-12 |
| 5491678 | Method and apparatus for recording/reproducing information data in a two-dimensional format | Takeshi Maeda, Atsushi Saito | 1996-02-13 |
| 5463600 | Magneto-optical recording system using recording waveform having a plurality of power levels providing high recording density | Fumiyoshi Kirino, Atsushi Saito, Tsuyoshi Toda, Hiroyuki Tsuchinaga, Takeshi Maeda +1 more | 1995-10-31 |
| 5457666 | Light modulation method for forming a mark in magneto-optical recording system | Tsuyoshi Toda, Fumiyoshi Kirino, Takeshi Maeda, Hiroyuki Tsuchinaga, Toshimitsu Kaku +2 more | 1995-10-10 |
| 5418770 | Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus | Takeshi Maeda, Atsushi Saito | 1995-05-23 |
| 5364731 | Multi-color transfer image forming method to form color proofs | Kunio Shimizu, Nobumasa Sasa, Manabu Watanabe, Shinya Mayama | 1994-11-15 |
| 5345434 | Method and apparatus for correcting edge interval of record signal in an optical record/read-out apparatus | Takeshi Maeda | 1994-09-06 |
| 5333126 | Information recording method and optical disk apparatus using same | Yasushi Fukuda, Atsushi Saito, Takeshi Maeda, Fumiyoshi Kirino, Tsuyoshi Toda | 1994-07-26 |
| 5151924 | Automatic equalization method and apparatus | Seiichi Mita, Morishi Izumita, Nobukazu Doi, Yoshinori Okada, Yasuo Inagaki | 1992-09-29 |
| 4990428 | Photosensitive planographic printing plate | Shigeki Shimizu | 1991-02-05 |
| 4984526 | Thread chain guiding device for overedge sewing machines | Kikuo Aida, Shingo Iwae | 1991-01-15 |
| 4863835 | Developer composition for lithographic printing plates | Shigeki Shimizu, Akinobu Oshima, Noriaki Takahashi | 1989-09-05 |
| 4594958 | Presser foot lift device for a top feed sewing machine | — | 1986-06-17 |
| 4537855 | Photopolymerizable photosensitive composition | — | 1985-08-27 |
| 4271261 | Developer composition for lithographic printing plates | Shigeki Shimizu | 1981-06-02 |