Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9957187 | Brittle plate processing method and brittle plate processing apparatus | Takashi Yamamoto, Mitsuhiko Endo, Masashi KASAJIMA | 2018-05-01 |
| 9822029 | Method for processing brittle plate, and device for processing brittle plate | Takashi Yamamoto, Mitsuhiko Endo, Masashi KASAJIMA | 2017-11-21 |
| 6139765 | Magnetic powder, permanent magnet produced therefrom and process for producing them | Atsunori Kitazawa, Koji Akioka | 2000-10-31 |
| 6136099 | Rare earth-iron series permanent magnets and method of preparation | Koji Akioka, Tatsuya Shimoda, Ryuichi Ozaki, Osamu Kobayashi | 2000-10-24 |
| 5888416 | Rare-earth bonded magnet composition, rare-earth bonded magnet and process for producing said rare-earth bonded magnet | Ken Ikuma, Koji Akioka | 1999-03-30 |
| 5647886 | Magnetic powder, permanent magnet produced therefrom and process for producing them | Atsunori Kitazawa, Koji Akioka | 1997-07-15 |
| 5597425 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Osamu Kobayashi, Tatsuya Shimoda, Ryuichi Ozaki | 1997-01-28 |
| 5581180 | Horizontal and vertical displacement detector of wire rope | Norio Ito, Tatsuya Shimoda, Sumitaka Wako, Yasunori Ueki, Makoto Okeya +1 more | 1996-12-03 |
| 5565043 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Osamu Kobayashi, Tatsuya Shimoda, Ryuichi Ozaki | 1996-10-15 |
| 5560784 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Osamu Kobayashi, Tatsuya Shimoda, Ryuichi Ozaki | 1996-10-01 |
| 5538565 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Osamu Kobayashi, Tatsuya Shimoda, Ryuichi Ozaki | 1996-07-23 |