Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934805 | Method and an apparatus for flaw detection | Toshio Endo, Tomikazu Yagi, Ryuzo Yamada, Taizo Yano | 1999-08-10 |
| 4873677 | Charging apparatus for an electronic device | Kenji Sakamoto, Motomu Hayakawa | 1989-10-10 |
| 4864442 | Magnetic read/write apparatus | Osamu Miyazawa, Mamoru Miyasaka, Kenichi Hirota | 1989-09-05 |
| 4769493 | Process for producing tetrafluorophthalic acid | Haruaki Ito, Utaro Matsushita, Toshiaki Shimizu, Masaaki Shimizu | 1988-09-06 |
| 4741960 | Magnetic recording medium having a back coat layer containing a specific type of lubricant | Hitoshi Takita, Shigeru Nakano | 1988-05-03 |
| 4614742 | Fluorinated isophthalonitrile compound and nonmedical fungicide containing the same | Akio Takaoka, Takashi Isono, Masatoshi Motoyoshi, Kazuhiro Kojima | 1986-09-30 |
| 4595417 | Process for treating aqueous slurry of pigment | Takeomi Murakami | 1986-06-17 |
| 4582924 | .alpha.-Fluoroalkyl carboxylic acid esters and process for preparing the same | Takeshi Nakai | 1986-04-15 |
| 4578503 | Alkylated or alkenylated malonic acid or its derivatives having a fluorine | Takeshi Nakai, Yoshio Inouye | 1986-03-25 |
| 4578222 | Process for preparing a perfluorinated or polyfluorinated aliphatic carboxylic acid | Mitsuru Takahashi | 1986-03-25 |
| 4563394 | Shaped article of synthetic resin having improved surface | — | 1986-01-07 |
| 4558148 | Fluorinated allylic compounds and a process for preparing these compounds | Tomoya Kitazume | 1985-12-10 |
| 4552694 | Fluorinated benzodiazepins | Akio Takaoka | 1985-11-12 |
| 4542238 | Optically active substance | — | 1985-09-17 |
| 4540524 | Methods for preparing lower alkyl .alpha.-fluoro-.alpha.-cyanoacetate and its carbanion | Akio Takaoka | 1985-09-10 |
| 4532020 | Process for preparing a .beta.-(fluoroalkyl or fluoroalkenyl)-.beta.-hydroxyalkyne | Tomoya Kitazume | 1985-07-30 |
| 4487926 | Fluorine-containing cellulose derivatives | Hiroki Taniguchi | 1984-12-11 |
| 4484993 | Process for producing fluorine-containing organic compound | Tomoya Kitazume | 1984-11-27 |
| 4482729 | Fluoroalkyl silyl ketene acetals and a process for preparing the same | Takeshi Nakai | 1984-11-13 |
| 4480103 | 4-Fluoro-5-oxypyrazole derivatives | Tomoya Kitazume | 1984-10-30 |
| 4465859 | N,N-Dialkyl-3-oxo-3-alkyl-1,2-difluoropropenylamine | Tomoya Kitazume | 1984-08-14 |