Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874727 | Particulate lead titanate ceramic and composite material containing same | Kanji Ohya, Tsutomu Tsunooka, Hirofumi Ozeki, Takashi Yamamoto | 1989-10-17 |
KO
Koji Ogura
Overall (1989): #86,052 of 140,708Top 65%
1
Patents 1989