Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606227 | Surge generator having a low voltage transformer winding connected to a high voltage winding | Masamichi Ishikawa, Kenji Yoneima | 1997-02-25 |
| 5553369 | Method for producing an engine valve | Takao Shimizu, Hiroaki Suzuki | 1996-09-10 |
| 5509306 | Thermal type flowmeter | Yasushi Sugiura | 1996-04-23 |
| 5502589 | Optical communication systems and optical nodes for use therein | Kenji Nakamura, Masao Majima | 1996-03-26 |
| 5390039 | Optical network for detecting collisions based on the reflection of a transmitting signal | Kenji Nakamura | 1995-02-14 |
| 5370092 | Engine valve and method for producing the same | Takao Shimizu, Hiroaki Suzuki | 1994-12-06 |
| 5359891 | Thermal type flowmeter | Yasushi Sugiura | 1994-11-01 |
| 5343314 | Optical fiber communication method and multimedia optical fiber network using the same | Kenji Nakamura, Masao Majima | 1994-08-30 |
| D344384 | Escalator control box | Shinji Shibuya, Akira Omachi, Yoko Ichikawa, Norio Kamoshita, Chuichi Saito | 1994-02-15 |
| 5144466 | Optical fiber communication method and multimedia optical fiber network using the same | Kenji Nakamura, Masao Majima | 1992-09-01 |
| 4944154 | Hydraulically operated continuously variable transmission | Eiichiro Kawahara, Kenichi Ikejiri, Mitsumasa Furumoto | 1990-07-31 |
| 4939900 | Hydraulically operated continuously variable transmission | Mitsumasa Furumoto, Eiichiro Kawahara, Kenichi Ikejiri | 1990-07-10 |
| 4906683 | Thermoplastic elastomer composition | Masato Komatsu, Isao Baba | 1990-03-06 |
| 4892073 | Ignition system for internal combustion engines | Masakuni Tsujimura, Kiyotaka Sasaki, Kouichi Kato, Hideji Tani, Yasuo Ito +2 more | 1990-01-09 |
| 4871796 | Method of production of thermoplastic elastomer compounds | Masato Komatsu, Isao Baba | 1989-10-03 |
| 4838024 | Hydraulically operated continuously variable transmission | Mitsumasa Furumoto, Eiichiro Kawahara, Kenichi Ikehjiri | 1989-06-13 |
| 4833181 | Polyolefin composition containing cellulose fibers and a deodorizer | Kiyotada Narukawa, Masakichi Shimada, Taizo Yamaguchi, Hiroyuki Wakabayashi, Fumio Kato +1 more | 1989-05-23 |
| 4815288 | Non-step hydraulic transmission | Kouji Yamaguchi | 1989-03-28 |
| 4809587 | Actuator with built-in pilot valve | Eiichiro Kawahara, Kenichi Ikejiri, Takashi Iino, Kenjiro Iwasawa | 1989-03-07 |
| 4801651 | Method of manufacture of thermoplastic elastomer compounds | Masato Komatsu, Isao Baba, Kiyotada Narukawa, Tsuyoshi Kanai | 1989-01-31 |
| 4800836 | Resist coating apparatus | Yasuo Matsuoka | 1989-01-31 |
| 4743494 | Process for producing hydrophilic polyolefin nonwoven fabric | Masato Komatsu, Kiyotada Narukawa | 1988-05-10 |
| 4736323 | Signal transmission system between signal processor and ignitor | Hiroo Utsumi, Kazuhiro Iwata | 1988-04-05 |
| 4704196 | Process for surface treatment of carbon fiber | Makoto Saito, Hiroshi Inoue | 1987-11-03 |
| 4658788 | Ignition system for internal combustion engines | Katsuhisa Mase, Motoshi Kawai, Yoshiyuki Miyase, Takeshi Matsui | 1987-04-21 |