Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33355 | Agent for absorbing and releasing water vapor | Hiroshi Itoh, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio, Ryosuke Enoshita +4 more | 1990-09-25 |
| 4835312 | Production process of N-substituted amide compounds | Hiroshi Itoh, Atsuhiko Nitta | 1989-05-30 |
| 4828710 | Method for the extraction of water from macromolecular solutions | Hiroshi Itoh, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio | 1989-05-09 |
| 4729834 | Method for adsorbing and desorbing | Hiroshi Itoh, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio, Katsutoshi Nagai | 1988-03-08 |
| 4683258 | Agent for absorbing and releasing water vapor | Hiroshi Itoh, Atsuhiko Nitta, Tomio Tanaka, Hideo Kamio, Ryosuke Enoshita +4 more | 1987-07-28 |
| 4302600 | Process for the purification of an aqueous acrylamide solution | Jun Saitoh, Kenzo Fujii, Tadatoshi Honda, Takatoshi Mitsuishi, Hiroshi Itoh | 1981-11-24 |