Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D384935 | Roof plate with solar battery | Tadashi Fukuhara, Hideki Shibata, Katsuji Mukai, Kimitoshi Fukae, Yuji Inoue +1 more | 1997-10-14 |
| 5670094 | Method of and apparatus for producing ozonized water | Kenichi Sasaki, Ken Nakajima, Mitsuru Imai | 1997-09-23 |
| 5662837 | Method and apparatus for dissolving and isolating carbon dioxide gas under the sea | Takeo Kajishima | 1997-09-02 |
| D380442 | Roof plate with solar battery | Tadashi Fukuhara, Hideki Shibata, Katsuji Mukai, Kimitoshi Fukae, Yuji Inoue +1 more | 1997-07-01 |
| 5614088 | Cleaning water production system | Hiroshi Nagai, Yukio Ikeda | 1997-03-25 |
| 5425866 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu | 1995-06-20 |
| 5308467 | Electrically regenerable demineralizing apparatus | Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu | 1994-05-03 |
| 5302538 | Method of manufacturing field effect transistor | Eiichi Ishikawa, Shinya Watanabe | 1994-04-12 |
| 5299049 | Beam shifting device | Masami Yoneda | 1994-03-29 |
| 5242917 | Tetracarboxylic acid dianhydride having disiloxane linkage and process for producing the same | Tohru Kikuchi, Koichi Kamijima | 1993-09-07 |
| 5216528 | Three-dimensional multiplex hologram | Toshio Honda, Kei Shimura, Masahiro Yamaguchi, Nagaaki Ohyama | 1993-06-01 |
| 5190627 | Process for removing dissolved oxygen from water and system therefor | Hidenobu Arimitsu, Ken Nakajima, Yoko Iwase, Hiroyuki Shima | 1993-03-02 |
| 5166363 | Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivative or dianhydride thereof | Tohru Kikuchi, Toshiyuki Fujita, Koichi Kamijima | 1992-11-24 |
| 5102962 | Phenolic polymer and production thereof | Tohru Kikuchi, Hiroyuki Kawakami | 1992-04-07 |
| 5073268 | Process and system for purifying pure water or ultrapure water | Ken Nakajima, Yoki Iwase, Yukio Ikeda, Hiroyuki Shima | 1991-12-17 |
| 5072027 | Process for producing methacrylic acid esters | Akihiro Kobayashi, Toshio Akima, Toshiyuki Fujita | 1991-12-10 |
| 5061419 | Method and device for molding skin-covered foamed plastic article | Hiroshi Kouda | 1991-10-29 |
| 5020724 | Nozzle for water jet cutting | Fumio Kiyono, Keiji Handa | 1991-06-04 |
| 4986648 | Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate | Akihiro Kobayashi, Toshiyuki Fujita, Hiromasa Kawai, Yutaka Hosoi, Hideaki Shibata | 1991-01-22 |
| 4968759 | Phenolic polymer and production thereof | Tohru Kikuchi, Hiroyuki Kawakami | 1990-11-06 |
| 4958001 | Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof and polyamide-acid and polyimide obtained therefrom | Tohru Kikuchi, Toshiyuki Fujita, Mitsumasa Kojima, Hidetaka Sato, Hiroshi Suzuki | 1990-09-18 |
| 4916255 | Method for production of methacrylate ester | Akihiro Kobayashi, Toshiyuki Fujita, Toshio Akima | 1990-04-10 |
| 4912233 | Para- or meta-terphenyltetracarboxylic acid, dianhydride thereof and process for preparing the same | Tohru Kikuchi, Toshiyuki Fujita | 1990-03-27 |
| 4897438 | Stabilized synthetic resin composition | Tohru Kikuchi, Hiroyuki Kawakami, Masaki Yagi, Yutaka Nakahara, Hiroshi Takahashi | 1990-01-30 |
| 4868261 | Optical resin material | Akihiro Kobayashi, Toshiyuki Fujita, Hiromasa Kawai, Yutaka Hosoi, Hideaki Shibata | 1989-09-19 |