Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323779 | Pipe coupling structure | Yumiko Otsu | 2019-06-18 |
| 9470313 | Metal seal ring | Yumiko Otsu | 2016-10-18 |
| 6474577 | Self-propelled crushing machine | Katsuhiro Ikegami, Masaho Yamaguchi | 2002-11-05 |
| 6419172 | Mobile crusher | Kazuyuki Yamazaki, Yasutaka Nishida, Katsuhiro Ikegami, Tooru Nakayama, Motoki Kurohara | 2002-07-16 |
| 6354524 | Mobile crushing machine | Tooru Nakayama, Teruo Nakahara, Kazuhiro Yoshida, Mitsunobu Yamada, Motoki Kurohara +1 more | 2002-03-12 |
| 6332582 | Self-propelled crushing machine | Katsuhiro Ikegami, Masaho Yamaguchi | 2001-12-25 |
| 6119967 | Control circuit of transportable crusher | Toru Nakayama, Yukio Tamura, Toshio Kitani, Yuji Ozawa, Yoshimitsu Yuzawa +2 more | 2000-09-19 |
| 6004023 | Control apparatus for soil improvement machine | Kazuyuki Yamazaki, Hiroshi Shimizu | 1999-12-21 |
| 5833150 | Mobile crusher and crusher control method | Yukio Tamura, Toru Nakayama, Katsuhiro Ikegami | 1998-11-10 |
| 5803376 | Crushing machine control system for a self-traveling crushing machine vehicle | Katsuhiro Ikegami, Yukio Tamura, Toru Nakayama, Yuji Ozawa | 1998-09-08 |
| 5797548 | Self-propelled crushing machine | Yukio Tamura, Mitsuhisa Sakae, Toru Nakayama | 1998-08-25 |
| 5765765 | Method of and apparatus for driving a crushing machine | Yukio Tamura, Toshio Kitani, Toru Nakayama, Katsuhiro Ikegami, Yuji Ozawa | 1998-06-16 |
| 5699873 | Operation control system for traveling vehicle | Yukio Moriya, Tetsuya Fujimura, Masayuki Nagahama, Kazuyuki Yamazaki, Toru Hishiyama | 1997-12-23 |
| 5609220 | Operation control system for traveling vehicle | Yukio Moriya, Tetsuya Fujimura, Masayuki Nagahama, Kazuyuki Yamazaki, Toru Hishiyama | 1997-03-11 |
| 5580004 | Self-propelled crushing machine | Yukio Tamura, Yasutaka Nishida, Toru Nakayama, Masaho Yamaguchi | 1996-12-03 |
| 5250761 | Managing system for construction vehicles | — | 1993-10-05 |