Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34991 | Secondary battery | Kenichi Sanechika, Takayuki Nakajima | 1995-07-04 |
| 5426998 | Crank shaft and method of manufacturing the same | — | 1995-06-27 |
| 5419948 | Hard austenitic stainless steel screw and a method for manufacturing the same | Masaaki Tahara, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-05-30 |
| 5417776 | Hard austenitic stainless steel screw | Masaaki Tahara, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-05-23 |
| 5401473 | Method and apparatus for treatment of NF.sub.3 gas | Takakazu Tomoda | 1995-03-28 |
| 5399211 | Method of plating steel | Masaaki Tahara, Haruo Senbokuya, Kenzo Kitano, Takakazu Tomoda | 1995-03-21 |
| 5358786 | Electric insulated wire and cable using the same | Izumi Ishikawa, Isao Takahashi, Hideo Sunazuka, Masatake Hasegawa, Motohisa Murayama | 1994-10-25 |
| 5340412 | Method of fluorinated nitriding of austenitic stainless steel screw | Massaki Tahara, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1994-08-23 |
| 5336300 | Method and apparatus for separating mixed gas | Hiromi Kiyama, Nobuhiko Mihoichi | 1994-08-09 |
| 5261982 | Method of manufacturing a heat insulation pipe body | — | 1993-11-16 |
| 5254181 | Method of nitriding steel utilizing fluoriding | Masaki Tahara, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1993-10-19 |
| 5207845 | Process for manufacturing rolled articles of titanium material | Haruo Senbokuya, Masaaki Tahara | 1993-05-04 |
| 5208073 | Method of manufaturing a colored metallic sheet | — | 1993-05-04 |
| 5176889 | Method and apparatus for treatment of NF.sub.3 gas | Takakazu Tomoda | 1993-01-05 |
| 5118642 | Method for producing semiconductors | Kenji Okumura, Yoshinori Ohmori, Toshiharu Ohnishi | 1992-06-02 |
| 5073512 | Method of manufacturing insulated gate field effect transistor having a high impurity density region beneath the channel region | — | 1991-12-17 |
| 5036946 | Speaker system | — | 1991-08-06 |
| 5010287 | Induction motor control system | Tadayoshi Mukai | 1991-04-23 |
| 4979465 | Apparatus for producing semiconductors | Kenji Okumura, Yoshinori Ohmori, Toshiharu Ohnishi | 1990-12-25 |
| 4951603 | Apparatus for producing semiconductors | Yoshinori Ohmori, Toshiharu Ohnishi | 1990-08-28 |
| 4926487 | Speaker system | Tetsuji Yoshida, Yoshiaki Teraoka, Yoji Ogawa, Ken Kozaki, Kenji Hara +1 more | 1990-05-15 |
| 4869848 | Flame-retardant composition and flame-retardant cable using same | Masatake Hasegawa, Hirotada Kobayashi, Hideo Sunazuka, Takao Matsuda, Yoshioki Shingo | 1989-09-26 |
| 4853015 | High purity nitrogen and oxygen gas production equipment | — | 1989-08-01 |
| 4827112 | System for processing IC card with display function | Masafumi Hino, Nobuhiro Yasue | 1989-05-02 |
| 4748047 | Polyacetylene composite, process for production thereof, and method for use thereof | Kenichi Sanechika | 1988-05-31 |