Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33355 | Agent for absorbing and releasing water vapor | Hiroshi Itoh, Toshimi Nakagawa, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio +4 more | 1990-09-25 |
| 4683258 | Agent for absorbing and releasing water vapor | Hiroshi Itoh, Toshimi Nakagawa, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio +4 more | 1987-07-28 |