Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508155 | Method for continuously producing cellulose ether | Atsushi Yamamoto, Atsuhiko Yonemochi, Mitsuo Narita | 2019-12-17 |
| 9562289 | Carbon electrode with slidable contact surfaces and apparatus for manufacturing polycrystalline silicon rod | Shigeyoshi Netsu, Kyoji Oguro, Fumitaka Kume, Masaru Hirahara | 2017-02-07 |
| 9126242 | Method for cleaning bell jar, method for producing polycrystalline silicon, and apparatus for drying bell jar | Yasushi Kurosawa, Kyoji Oguro, Shigeyoshi Netsu | 2015-09-08 |
| 8793853 | Core wire holder for producing polycrystalline silicon and method for producing polycrystalline silicon | Shigeyoshi Netsu, Kyoji Oguro, Fumitaka Kume | 2014-08-05 |
| 8328935 | Method of manufacturing polycrystalline silicon rod | Michihiro Mizuno, Shigeyoshi Netsu, Kyoji Oguro | 2012-12-11 |
| 8324377 | Method of separating water-soluble cellulose ether | Kazuhisa Hayakawa, Mitsuo Narita | 2012-12-04 |