Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326055 | Method for bleaching teeth and bleaching agent for teeth | Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Koyu Aoki, Takeshi Morikawa +2 more | 2008-02-05 |
| 7250155 | Dental bleaching agent kit and the method for bleaching teeth | Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Koyu Aoki, Takeshi Morikawa +2 more | 2007-07-31 |
| 6291548 | Dental cement composition | Hisashi Nakaseko | 2001-09-18 |
| 6217644 | Dental adhesive set | Kaori Matsunae | 2001-04-17 |
| 6174935 | Dental adhesive kit | Kaori Matsunae, Kazuo Hirota | 2001-01-16 |
| 5962550 | Dental filling resin composition | Hisashi Sato, Hideki Yarimizu, Kazuo Hirota | 1999-10-05 |
| 5063257 | Dental glass ionomer cement compositions | Satoshi Tosaki, Yukiharu Kusayanagi, Shigenobu Kusakai, Kazuo Hirota, Kentaro Tomioka | 1991-11-05 |
| 4900697 | Glass powders for dental glass ionomer cements | Satoshi Tosaki, Kazuo Hirota, Kentaro Tomioka | 1990-02-13 |
| 4775592 | Fluoroaluminosilicate glass powder for dental glass ionomer cement | Kazuo Hirota, Kentaro Tomioka | 1988-10-04 |
| 4678436 | Color-changeable cement composition for dental use | Kenji Kondo, Shigeru Katsuyama, Kentaro Tomioka | 1987-07-07 |
| 4652593 | Dental aluminate cement compositions | Haruyuki Kawahara, Shoji Takeda, Hiroshi Oshima, Kentaro Tomioka, Eiichi Yoshii +1 more | 1987-03-24 |
| 4647600 | Dental cement compositions | Haruyuki Kawahara, Shoji Takeda, Hiroshi Oshima, Kentaro Tomioka, Eiichi Yoshii +1 more | 1987-03-03 |
| 4632824 | Compositions applied in the mouth | Kazuo Hirota, Kentaro Tomioka | 1986-12-30 |
| 4591384 | Dental cement compositions | Kazuo Hirota, Kentaro Tomioka | 1986-05-27 |
| 4524824 | Dental cement | Hirokata Shimokobe, Sueo Saito, Kentaro Tomioka, Kazuo Hirota | 1985-06-25 |
| 4374936 | Liquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cements | Kentaro Tomioka, Kazuo Hirota, Hiroaki Muramatsu | 1983-02-22 |
| 4342677 | Fluorocomplex salt-containing liquid for setting dental cements | Hiroaki Muramatsu, Kentaro Tomioka, Kazuo Hirota | 1982-08-03 |