Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939191 | High strength cured cement article and process for manufacturing the same | Nobuhiro Kataoka, Masanori Ohshima | 1990-07-03 |
| 4545975 | Process and apparatus for producing a high purity magnesia fine powder | Waichi Kobayashi, Kozaburo Yoshida | 1985-10-08 |
| 4391036 | Process for producing sealed lead-acid battery | Kenjiro Kishimoto, Migaki Kono | 1983-07-05 |
| 4262068 | Sealed lead-acid battery | Migaki Kono, Kenjiro Kishimoto | 1981-04-14 |
| 4216280 | Glass fiber separator for storage batteries | Migaki Kono, Kenjiro Kishimoto | 1980-08-05 |