Issued Patents All Time
Showing 126–139 of 139 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262219 | Composite film having slippery, electrically conducting surface | Masatoshi Tomiki, Haruo Hatakeyama | 1993-11-16 |
| 5223372 | Chemical mat film and a photosensitive film comprising an o-naphthoquinine diazide compound and a binder coated over the chemical mat film | Hiromi Masamura | 1993-06-29 |
| 4784474 | Spiro-oxazine compounds and preparation thereof and photochromic shaped article | Takashi Taniguchi | 1988-11-15 |
| 4766258 | Process for producing hydrocarbon fluoride | Takahiro Komatsu, Tohru Ide, Hirohumi Akiyama, Takao Kitamura | 1988-08-23 |
| 4640454 | Method for producing extrusion die for forming a honeycomb structure | Toshihiko Ito, Mitsuru Asano | 1987-02-03 |
| 4384841 | Extrusion die for extruding a honeycomb structure | Fumitoshi Sakagami, Toshihiko Ito | 1983-05-24 |
| 4381912 | Extrusion die for forming a honeycomb structure | Mitsuru Asano, Zituo Suzuki, Toshihiko Ito | 1983-05-03 |
| 4373895 | Extrusion die and method for producing extrusion die for forming a honeycomb structure | Toshihiko Ito | 1983-02-15 |
| 4368025 | Extrusion device for producing honeycomb structures | Junichiro Naito, Zituo Suzuki, Mitsuru Asano | 1983-01-11 |
| 4362495 | Extrusion device for forming a honeycomb structure | Junichiro Naito, Zituo Suzuki, Mitsuru Asano | 1982-12-07 |
| 4354820 | Extrusion die and method for producing extrusion die for forming a honeycomb structure | Toshihiko Ito | 1982-10-19 |
| 4349329 | Extrusion device for producing honeycomb structures | Junichiro Naito, Jitsuo Suzuki, Mitsuru Asano | 1982-09-14 |
| 4252595 | Etching apparatus using a plasma | Yasusuke Sumitomo, Yasuhiro Horiike, Masahiro Shibagaki | 1981-02-24 |
| 4233351 | Ceramic honeycomb structure | Kazunari Okumura, Zituo Suzuki | 1980-11-11 |