Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11275425 | Portable terminal, method, and computer program for controlling power consumption based on congestion level in a location | Koji Suzuki | 2022-03-15 |
| 10133706 | Electronic book system, electronic book provision method, recording medium, and program | — | 2018-11-20 |
| 4983337 | Method and apparatus for producing stretched film | Hisashi Kojoh, Naoya Yamaguchi, Tomoji Mizutani | 1991-01-08 |
| 4968464 | Process for producing a porous resin film | Hisashi Kojoh, Naoya Yamaguchi, Tomoji Mizutani, Yukio Wakuda | 1990-11-06 |