Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8221069 | Multi-blade fan | Seiji Shirahama | 2012-07-17 |
| 8123468 | Centrifugal fan | Seiji Shirahama, Yasuji Tsubakishita, Akira Sadamoto | 2012-02-28 |
| 7914597 | Dust collector | Atsushi Nagata, Hitoshi Nozu | 2011-03-29 |
| 7794198 | Centrifugal fan and apparatus using the same | Kazuya Omori, Takaaki Nakasone | 2010-09-14 |
| 7744350 | Multiblade fan | Kazuya Omori | 2010-06-29 |
| 7739885 | Methods for the production of glass substrate blank | Koji Suzuki | 2010-06-22 |
| 7730744 | Process for producing glass and glass-melting apparatus thereof | Jun Ichinose, Yasuko Katoh, Rieko Kudo | 2010-06-08 |
| 7383698 | Method of manufacturing glass melt and method of manufacturing molded glass material | Jun Ichinose, Hidetsugu Kato | 2008-06-10 |
| 7191619 | Process for producing glass and glass-melting apparatus thereof | Jun Ichinose, Yasuko Katoh, Rieko Kudo | 2007-03-20 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof | Jun Ichinose, Yasuko Katoh, Rieko Kudo | 2006-03-14 |
| 6576247 | Sustained-release aromatic and method of detecting micro-organism by using the same | Takeshi Ikemoto, Hiroko Nakatsugawa, Bun-ichi Okabe, Jun Matsui, Minoru Iwamoto +2 more | 2003-06-10 |
| 4983198 | Glass melting method and apparatus | — | 1991-01-08 |