Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864797 | Concrete filled tube column and method of constructing same | Takanori Sato, Yasukazu Nakamura, Yutaka Saito | 1989-09-12 |
| 4846632 | Variable displacement vane compressor | Shigeru Suzuki, Katsuhiko Ohshiro | 1989-07-11 |
| 4844703 | Variable displacement vane compressor | Tatsuya Nakai, Shinichi Suzuki, Masahiro Kawaguchi | 1989-07-04 |
| 4842490 | Variable displacement vane compressor | Shinichi Suzuki, Masahiro Kawaguchi, Tatsuya Naki | 1989-06-27 |
| 4838740 | Variable displacement vane compressor | Masahiro Kawaguchi, Shinichi Suzuki, Tatsuya Nakai | 1989-06-13 |
| 4808083 | Variable capacity type vane compressor | Tatsuya Nakai, Shinichi Suzuki, Masahiro Kawaguchi | 1989-02-28 |