Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863818 | Graphite intercalation compound electrodes for rechargeable batteries and a method for the manufacture of the same | Yoshikazu Yoshimoto, Tomonari Suzuki, Hiroshi Wada, Shigeo Nakajima, Yoshimitsu Tajima +4 more | 1989-09-05 |
| 4857920 | Combined traffic signal with stacked EL elements | Shoei Kataoka, Shigeo Nakajima | 1989-08-15 |
| 4803074 | FR-900848 substance and preparation thereof | Koki Horikoshi | 1989-02-07 |
| 4800085 | Slow-release composite and process for producing the same | Masaharu Asano, Isao Kaetsu, Katsuyuki Nakai, Hidetoshi Yamanaka, Keizo Shida +1 more | 1989-01-24 |