Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9428590 | Method for dehydrating hydrous low-substituted hydroxypropyl cellulose and method for producing low-substituted hydroxypropyl cellulose by using same | Junichi Matsubara, Atsuhiko Yonemochi | 2016-08-30 |
| 9382336 | Method for preparing cellulose ether having low degree of polymerization and cellulose ether prepared thereby | Yuichi Nishiyama | 2016-07-05 |
| 9371399 | Methods for producing alkali cellulose and cellulose ether | — | 2016-06-21 |
| 9371398 | Methods for preparing alkali cellulose and cellulose ether | — | 2016-06-21 |
| 9266970 | Hydroxypropylmethylcellulose having high thermal gel strength, method for producing the same and food comprising the hydroxypropylmethylcellulose | Rumiko Itoh, Miyuki Fukasawa | 2016-02-23 |
| 9115216 | Method for producing alkali cellulose comprising removal of cellulose particles | — | 2015-08-25 |
| 8864943 | Method for preparing nonionic water-soluble cellulose ether | — | 2014-10-21 |
| 8865889 | Methods for preparing alkali cellulose and cellulose ether | Masaki Tabata, Atsushi Yoshida, Hiroshi Umezawa | 2014-10-21 |
| 8853388 | Methods for preparing alkali cellulose and cellulose ether | Masaki Tabata, Atsushi Yoshida, Hiroshi Umezawa | 2014-10-07 |
| 8496782 | Methods for preparing alkali cellulose and water-soluble cellulose ether | — | 2013-07-30 |
| 8324377 | Method of separating water-soluble cellulose ether | Kazuhisa Hayakawa, Shinichi Kurotani | 2012-12-04 |
| 8017766 | Methods for preparing alkali cellulose and cellulose ether | Atsushi Hatayama, Hiroshi Umezawa | 2011-09-13 |
| 6992038 | Zinc chloride-loaded support and method for producing the same | Masaki Tabata, Kazuhisa Hayakawa | 2006-01-31 |
| 6884883 | Method for reducing pulp to powder and process for the production of a cellulose ether | Yukio Shima, Atsushi Hatayama | 2005-04-26 |
| 6181064 | High pressure discharge lamp | — | 2001-01-30 |
| 5986402 | Metal halide lamp | Akihiko Sugitani, Yoshihiro Horikawa, Takashi Ito, Tatsushi Igarashi | 1999-11-16 |
| 5773932 | Metal halide lamp with reduced color shadowing | Masachika Ooyama, Yoshio Okazaki | 1998-06-30 |
| 5568008 | Metal halide lamp with a one-part arrangement of a front cover and a reflector | — | 1996-10-22 |
| 5523862 | Parabolic dielectric multilayer reflector | Yoshio Okazaki, Toshiya Ukai | 1996-06-04 |
| 5028843 | Compact discharge lamp for use in optical projection systems | — | 1991-07-02 |
| 4769576 | Metal vapor discharge lamp | Masachika Ohyama, Kunihiro Noguchi | 1988-09-06 |
| 4745335 | Magnesium vapor discharge lamp | Masachika Ohyama, Kunihiro Noguchi | 1988-05-17 |
| 4704346 | Process for the exposure of semiconductor wafer | Tatsumi Hiramoto, Ikuo Iwai, Masachika Ohyama | 1987-11-03 |