Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006242 | Opaque quartz glass and method of manufacturing the same | Chiemi ITO, Takeshi MUTOU, Minoru Kuniyoshi, Atsushi Ando | 2024-06-11 |
| 6817934 | Abrasive molding and abrasive disc provided with same | Shuji Takatoh, Yoko Honma | 2004-11-16 |
| 6798734 | Optical recording medium having address pits in the header region connecting with each other | Tatsuo Kawasaki, Koyata Takahashi, Kenichi Sekimoto, Toru Futami, Shigeru Hiramatsu +2 more | 2004-09-28 |
| 6705935 | Abrasive molding and abrasive disc provided with same | Hideto Kuramochi, Shuji Takatoh, Satoshi Kondo, Masayuki Kudo, Hiroyuki Yokomizo | 2004-03-16 |
| 6575824 | Abrasive molding and abrasive disc provided with same | Hideto Kuramochi, Satoshi Kondoh, Yoshinori Harada | 2003-06-10 |
| 5091267 | Magneto-optical recording medium and process for production of the same | Kiyoshi Kasai, Hidehiko MISAKI | 1992-02-25 |