Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10540525 | Information code, information code producing method, information code reader, and system which uses information code | Shin Nakayama, Masami Tanaka, Takuya Yoda | 2020-01-21 |
| 9710741 | Information code generation method, information code, and information code use system | — | 2017-07-18 |
| 4925468 | Filter device provided in an air conditioning device | Noriaki Kishi, Tadayoshi Terao, Yukio Shibata | 1990-05-15 |