Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142577 | Hydraulic muck handling system for tunnel boring machine | Minoru Tayama, Yasuaki Ishikawa, Masaaki Miki, Ryoichi Arita, Kazunori Ueda | 2000-11-07 |
| 5135382 | Mold for forming composite-material structures | Masaru Honda, Shigeki Takagi, Haruyoshi Saigoku | 1992-08-04 |
| 4939431 | Control system for synchronous rotation of cutter heads, for use in shield machine | Hidetsugu Yamazaki, Ryuzaburo Otsuka, Takashi Moro, Toshihumi Yuzawa, Seiji Tadano | 1990-07-03 |
| 4859894 | Alternating current generator for use in a vehicle | Shigeru Akutsu | 1989-08-22 |
| 4808866 | Vehicle generator with short-circuit damage prevention | Takashi Kawazoe, Hideyuki Ioka | 1989-02-28 |
| 4653594 | Vibration generating apparatus | Hiroshi Yamamoto, Shuichi Satoh, Yoshiyuki Iwai, Osamu Ae, Masao Suda +6 more | 1987-03-31 |
| 4576515 | Pipe laying apparatus | Keiji Morimoto, Shuichi Satoh, Yoshiyuki Iwai, Osamu Ae, Masao Suda +2 more | 1986-03-18 |
| 4571122 | Pipe laying apparatus | Hiroshi Yamamoto, Shuichi Satoh, Yoshiyuki Iwai, Osamu Ae, Masao Suda +6 more | 1986-02-18 |