Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877964 | Ultraviolet sterilizing apparatus | Shirou Saitou | 1989-10-31 |
| 4859886 | Portable engine-operated electric generator | Shigeru Fujii, Takao Nishida, Yasushi Fujita | 1989-08-22 |
| 4814404 | Diacetylene-nylon salt compound and method for production of two-dimensional macromolecular crystals and shaped articles using said compound | Hiro Matsuda, Hachiro Nakanishi, Masao Kato, Kazuo Nakayama | 1989-03-21 |