Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742349 | Equipment sensing system and equipment control device | Sigekazu Kawai, Yutaka Ishii, Katsumi Maekawa, Tsutomu Ishikura | 2004-06-01 |
| 6688424 | Noise absorbing device and device for taking air into engine room of a construction machine | Kuniaki Nakada, Masahiro Ikeda | 2004-02-10 |