Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207841 | Electrical connector | Yukifumi Machida, Shinji Yamaguchi, Yoshikazu Tanaka | 2007-04-24 |
| 6840996 | Cement composition | Minoru Morioka, Yasuhiro Nakashima, Mitsuo Takahashi | 2005-01-11 |