Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834891 | Lubricant compositions for metalworking | Norio Kitamura, Terumasa Okamura, Jouji Ohta | 1989-05-30 |
| 4778777 | Chemically durable porous glass and process for the manufacture thereof | Hiroshi Tanaka, Tetsuo Yazawa, Takao Yamaguro | 1988-10-18 |
| 4532055 | Releasing lubricant for use in forging and extrusion processes | Norio Kitamura, George Ohta, Terumasa Okamura, Seiji Yamada | 1985-07-30 |
| 4461806 | Shaped articles of non-fibrous carbonaceous material | Shigeru Ikeda, Shozi Hori, Kanji Matsuo, Hidenori Zaima, Yoshifumi Gamada +1 more | 1984-07-24 |
| 4402838 | Lubricant compositions for forging or extrusion | Norio Kitamura, George Ohta, Terumasa Okamura, Seizi Yamada | 1983-09-06 |