Issued Patents All Time
Showing 126–150 of 167 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217666 | Process for producing porous polytetrafluoroethylene film | Shinji Tamaru, Hirofumi Nishibayashi, Katsutoshi Yamamoto, Osamu Inoue | 1993-06-08 |
| 5190597 | Process for producing grain-oriented electrical steel sheet having improved magnetic and surface film properties | Hisashi Kobayashi, Hiroyasu Fujii | 1993-03-02 |
| 5182660 | Back-light type liquid crystal display | — | 1993-01-26 |
| 5174833 | Production of grain-oriented silicon steel sheets having an insulating film formed thereon | Eisuke Minematsu, Norikazu Fujii, Kikuji Hirose | 1992-12-29 |
| 5064593 | Process for producing multilayer polytetrafluoroethylene porous membrane | Shinji Tamaru, Katsutoshi Yamamoto, Hirofumi Nishibayashi, Osamu Inoue | 1991-11-12 |
| 5035493 | Zooming operation apparatus of zoom lens | — | 1991-07-30 |
| 5028279 | Grain oriented electrical steel sheet having improved glass film properties and low watt loss and process for producing same | Toshiya Wada, Toshihiko Takata, Kunihide Takashima, Hiromichi Yasumoto | 1991-07-02 |
| 4999398 | Methods for making polydiorganosiloxane microemulsions | Daniel Graiver | 1991-03-12 |
| 4994647 | Covered electrode for use in arc welding of Cr-Mo type low alloy steels | Shogo Natsume, Akinobu Goto | 1991-02-19 |
| 4985297 | Composite materials | Shinji Tamaru, Motonobu Kubo, Tsutomu Kobayashi | 1991-01-15 |
| 4979997 | Process for producing grain-oriented electrical steel sheet having superior magnetic and surface film characteristics | Hisashi Kobayashi, Katsuro Kuroki | 1990-12-25 |
| 4960652 | Grain-oriented electrical steel sheet having a low watt loss | Toshiya Wada, Takatoshi Egawa, Makato Yoshida, Seizun Higuchi, Teruaki Izaki | 1990-10-02 |
| 4939381 | Power supply system for negative impedance discharge load | Mitsuhiro Shibata, Teruo Nakagawa | 1990-07-03 |
| 4934003 | Device for transferring the disabled | Kiyoshi Hayakawa, Takao Arai, Hiroshi Iijima, Hiroki Suzuki, Fumiyuki Matsuno +1 more | 1990-06-19 |
| 4897131 | Grain-oriented electrical steel sheet having improved glass film properties and low watt loss | Toshiya Wada, Toshihiko Takata, Kunihide Takashima, Hiromichi Yasumoto | 1990-01-30 |
| 4875947 | Method for producing grain-oriented electrical steel sheet having metallic luster and excellent punching property | Hisanobu Nakayama, Hiromichi Yasumoto, Seiichi Senoo, Youichi Zaizen, Kouji Yamasaki | 1989-10-24 |
| 4870436 | Close-up photographing device | — | 1989-09-26 |
| 4863531 | Method for producing a grain-oriented electrical steel sheet having a low watt loss | Toshiya Wada, Takatoshi Egawa, Makoto Yoshida, Seizun Higuchi, Teruaki Izaki | 1989-09-05 |
| 4846939 | Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss | Makoto Yoshida, Seijun Higuchi, Teruaki Izaki | 1989-07-11 |
| 4825813 | Multi-pipe once-through type boiler | Yuji Yoshinari, Hitoshi Shiraishi, Akiyoshi Kawahito, Toshihiro Kayahara, Satoru Takeda +2 more | 1989-05-02 |
| 4817545 | Thread take-up lever device for sewing machines | Yoshio Mikuni | 1989-04-04 |
| 4784665 | Agent for the treatment of fibers | Isao Ona, Masaru Ozaki | 1988-11-15 |
| 4775430 | Process for producing grain-oriented electrical steel sheet having improved magnetic properties | Hiroshi Sato | 1988-10-04 |
| 4748616 | Method and arrangement for transmitting and extracting a timing signal | — | 1988-05-31 |
| 4688501 | Upper thread guide mechanism for sewing machines | Yoshio Mikuni, Kimikazu Matsuda | 1987-08-25 |