Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229471 | Method of preventing polymer scale deposition and polymer scale preventive agent | Toshihide Shimizu, Susumu Ueno, Mikio Watanabe | 1993-07-20 |
| 5214113 | Method of preventing polymer scale deposition and polymer scale preventive agent | Toshihide Shimizu, Susumu Ueno, Mikio Watanabe | 1993-05-25 |
| 5214112 | Method of preventing polymer deposition and polymer scale preventive agent | Toshihide Shimizu, Susumu Ueno, Mikio Watanabe | 1993-05-25 |
| 5196164 | Method of preventing polymer scale formation | Toshihide Shimizu, Mikio Watanabe | 1993-03-23 |
| 5130386 | Method of preventing polymer scale deposition during polymerization | Toshihide Shimizu, Susumu Ueno, Mikio Watanabe | 1992-07-14 |
| 5115051 | Method of preventing polymer scale deposition in a polymerization vessel | Toshihide Shimizu, Mikio Watanabe | 1992-05-19 |
| 5112682 | Primer for improving adhesion to plastics | Yoshio Inouye, Takeo Inoue, Toshihide Shimizu | 1992-05-12 |
| 5098968 | Method of preventing polymer scale deposition | Susumu Ueno, Mikio Watanabe | 1992-03-24 |
| 5067137 | Adjacent channel interference canceller with means for minimizing intersymbol interference | — | 1991-11-19 |
| 5053466 | Method of preventing polymer scale deposition | Toshihide Shimizu, Mikio Watanabe | 1991-10-01 |
| 5037904 | Method of preventing polymer scale deposition | Susumu Ueno, Mikio Watanabe | 1991-08-06 |
| 5034477 | Method of preventing polymer scale formation | Toshihide Shimizu, Mikio Watanabe | 1991-07-23 |
| 5034478 | Method of preventing polymer scale formation | Toshihide Shimizu, Mikio Watanabe | 1991-07-23 |
| 4975974 | Character recognition apparatus | Yasuo Nishijima | 1990-12-04 |
| 4933399 | Method of preventing polymer-scale formation | Toshihide Shimizu, Mikio Watanabe | 1990-06-12 |
| 4877535 | Iron dispersant for boiler water | Kenji Kobayashi, Masahiro Kobayashi, Shinji Nakano | 1989-10-31 |
| 4758639 | Process for production of vinyl polymer | Shunichi Koyanagi, Hajime Kutamura, Toshihide Shimizu | 1988-07-19 |
| 4757124 | Process for production of vinyl chloride polymer | Shunichi Koyanagi, Hajime Kitamura, Toshihide Shimizu | 1988-07-12 |
| 4708890 | Method for preventing polymer scale deposition on the reactor walls in the polymerization of ethylenically unsaturated monomers | Toshihide Shimizu, Mikio Watanabe, Yoshiteru Shimakura | 1987-11-24 |
| 4622245 | Method for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomer | Toshihide Shimizu, Yoshiteru Shimakura | 1986-11-11 |
| 4612354 | Method for preventing polymer scale deposition in the polymerization of a vinylic monomer | Toshihide Shimizu, Yasuo Furukawa | 1986-09-16 |
| 4591391 | Method for removing polymer scale deposited on reactor walls and a polymer scale remover agent therefor | Toshihide Shimizu, Yoshiteru Shimakura | 1986-05-27 |
| 4543382 | Plastic magnets impregnated with a dye-coated magnet alloy powder | Michinori Tsuchida, Toshihide Shimizu, Tokuji Abe | 1985-09-24 |
| 4542195 | Method for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomer | Toshihide Shimizu, Yoshiteru Shimakura | 1985-09-17 |
| 4539230 | Method for preventing deposition of polymer scale and a coating agent therefor | Toshihide Shimizu, Yoshiteru Shimakura | 1985-09-03 |