Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388971 | Full-circumferential flow pump | Makoto Kobayashi, Masakazu Yamamoto, Tsuyoshi Maeda, Hiromi Sakacho, Koji Isemoto | 1995-02-14 |
| 5385454 | Bearing device for use in a canned motor | Makoto Kobayashi, Masakazu Yamamoto, Yoshikazu Kimura | 1995-01-31 |
| 5385444 | Pump casing made of sheet metal | Makoto Kobayashi, Masakazu Yamamoto | 1995-01-31 |
| 5074764 | Submergible motor pump | Makoto Kobayashi, Shinji Nishimori | 1991-12-24 |
| 5055006 | Submerged motor pump having an outer casing which is radially deformable | Makoto Kobayashi, Kiyoshi Ouchi, Shinji Nishimori, Tsuyoshi Maeda | 1991-10-08 |
| 4934914 | Portable motor pump | Makoto Kobayashi, Kiyoshi Ouchi, Shinji Nishimori, Tsuyoshi Maeda | 1990-06-19 |
| 4726645 | Optical coupler | Junichiro Yamashita, Toshio Takei | 1988-02-23 |