Issued Patents All Time
Showing 151–175 of 210 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452005 | Automatic focusing device capable of removing noise components from focusing contrast information | Naoki Kubo | 1995-09-19 |
| 5442002 | Polymer scale deposition preventive agent | Toshihide Shimizu | 1995-08-15 |
| 5442017 | Process for producing polymer wherein polymer scale deposition is prevented | Toshihide Shimizu | 1995-08-15 |
| 5432241 | Process to prevent polymer scale adhesion using an aromatic compound and a salt of polyvinylsulfuric acid | Masahiro Usuki, Susumu Ueno | 1995-07-11 |
| 5430113 | Process to prevent polymer scale adhesion using an aromatic compound and a salt of polyvinylsulfuric acid | Masahiro Usuki, Hajime Kitamura, Susumu Ueno, Masayoshi Yono | 1995-07-04 |
| 5424377 | Process to prevent scale adhesion using condensation product of aromatic amine and a quinone | Toshihide Shimizu | 1995-06-13 |
| 5424003 | Reaction product of an aromatic amine and quinone as a polymer scale preventive agent | Toshihide Shimizu | 1995-06-13 |
| 5420214 | Process to prevent scale adhesion using condensation product of a diamino heterocyclic and a quinone | Toshihide Shimizu | 1995-05-30 |
| 5416174 | Scale preventive coating of pyrogallol-acetone resin and water soluble polymer | Toshihide Shimizu | 1995-05-16 |
| 5403903 | Process for preventing polymer scale using an alkaline solution of a condensation product of an aromatic dibasic acid dihydrazide and an aromatic tetracarboxylic acid anhydride | Toshihide Shimizu | 1995-04-04 |
| 5399613 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel | Toshihide Shimizu | 1995-03-21 |
| 5397849 | Process for preventing polymer scale using an alkaline solution of a condensation product of an aromatic compound having at least two amino groups and an aromatic bisester anhydride | Toshihide Shimizu | 1995-03-14 |
| 5393857 | Polymer scale preventive agent | Toshihide Shimizu | 1995-02-28 |
| 5391653 | Method for preventing polymer scale deposition | Toshihide Shimizu | 1995-02-21 |
| 5378773 | Process to prevent scale adhesion during polymerization of vinyl monomers | Toshihide Shimizu | 1995-01-03 |
| 5378774 | Polymer scale preventive agent | Toshihide Shimizu | 1995-01-03 |
| 5360857 | Polymer scale preventive agent from naphthoquinone dye | Hajime Kitamura, Susumu Ueno, Masahiro Usuki, Toshihiko Nakano | 1994-11-01 |
| 5357009 | Polymer scale preventive agent | Toshihide Shimizu | 1994-10-18 |
| 5354817 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition and process for preparation of polymer | Masahiro Usuki, Hajime Kitamura, Susumu Ueno, Richard W. Armentrout, Thomas J. Pollock | 1994-10-11 |
| 5352748 | Polymer scale preventive agent, polymerization vessel wherein polymer scale is prevented from depositing, and process of producing polymer using the same | Toshihide Shimizu | 1994-10-04 |
| 5298220 | Method of preventing polymer scale formation | Toshihide Shimizu, Ichiro Kaneko | 1994-03-29 |
| 5292834 | Method of preventing polymer scale deposition | Masahiro Usuki, Susumu Ueno | 1994-03-08 |
| 5287167 | Method for measuring interstitial oxygen concentration | Hiroshi Shirai, Shinichiro Takasu | 1994-02-15 |
| 5283113 | Process for producing carbon fiber felt | Yoshiyuki Nishimura, Kazuo Jonouchi | 1994-02-01 |
| 5276841 | Audio/video data reproducing apparatus which generates end of data transfer signal and which transfers data after communication error without resetting address data | Kenji Moronaga, Katsuya Makioka | 1994-01-04 |