Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464577 | Process for manufacturing a register for ventilating air | Kazumichi Shigeno, Shigeru Yabuya, Shigenori Shibata | 2002-10-15 |
| 6443831 | Transfer register | Shigeru Yabuya, Akiyoshi Nagano, Kazumichi Shigeno, Hiromi Nagai, Haruki Nagasaka +1 more | 2002-09-03 |