Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863754 | Moist pellet feed for breeding fish | Masahisa Ibuki, Masanori Wakui | 1989-09-05 |
| 4808933 | Rotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducers | Sumio Kobayashi, Mutsuo Tokashiki, Hiroyuki Tomita, Tadashi Okawa | 1989-02-28 |