Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956987 | Rotary cutter for cutting a continuous corrugated strip | Yoshihiro Hara | 1990-09-18 |
| 4834700 | Method of and apparatus for forming filter element | Naohiko Kondo, Mineo Hanai, Yoshiaki Miyagawa, Ikuo Mochizuki, Yuji Ito | 1989-05-30 |
| 4718884 | Method and apparatus for forming a filter element | Kouhei Hakamada | 1988-01-12 |
| 4637132 | Apparatus for assembling heat exchanger core | Akira Nakagawa | 1987-01-20 |
| 4613034 | Apparatus for conveying corrugated members | Yasuo Hibi, Tadahiko Shibata | 1986-09-23 |
| 4486933 | Apparatus for assembling core for heat exchanger | Akira Nakagawa | 1984-12-11 |
| 4480456 | Method and apparatus for cutting continuous corrugated members | Kazunari Fuma, Akira Nakagawa, Kouhei Hakamada | 1984-11-06 |