Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8261762 | Processing gas supplying system and processing gas supplying method | Kiyoshi Komiyama, Takuya Fujiwara | 2012-09-11 |
| 7212977 | Managing apparatus and managing method of a semiconductor manufacturing apparatus | Osamu Suenaga, Kiyoshi Komiyama | 2007-05-01 |
| 4345944 | Cement additive | Yoshiteru Kazama, Isao Kokubo, Yukio Tanino | 1982-08-24 |
| 4308069 | Prevention of slump loss in fresh concrete | Yoshihiro Fukushima | 1981-12-29 |