Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8092189 | Axial flow pump | Takanori Ishii, Yasuhiro Inoue | 2012-01-10 |
| 8075260 | Centrifugal turbomachinery | Takashi Aki, Sadashi Tanaka, Takaki Fukuchi | 2011-12-13 |
| 7604458 | Axial flow pump and diagonal flow pump | Takanori Ishii, Ryuichiro Iwano, Yasuhiro Inoue | 2009-10-20 |
| 6582189 | Turbo machines | Kouichi Irie, Tomoyoshi Okamura, Junichi Kurokawa | 2003-06-24 |
| 6527509 | Turbo machines | Junichi Kurokawa, Hitoharu Kimura, Tomoyshi Okamura, Takahide Nagahara, Sumio Sudo +1 more | 2003-03-04 |
| 6435819 | Turbo machines | Kouichi Irie, Tomoyoshi Okamura, Junichi Kurokawa | 2002-08-20 |
| 6302643 | Turbo machines | Junichi Kurokawa, Hitoharu Kimura, Tomoyoshi Okamura, Takahide Nagahara, Sumio Sudo +1 more | 2001-10-16 |
| 6290458 | Turbo machines | Kouichi Irie, Tomoyoshi Okamura, Junichi Kurokawa | 2001-09-18 |
| 5752785 | Drainage pump station and drainage operation method for drainage pump station | Sadashi Tanaka, Seiji Miura, Kunio Takada, Masayuki Yamada, Yutaka Shimada | 1998-05-19 |
| 5160216 | Drainage distribution amount determining method and drainage system | Kunio Takada, Kenji Otani | 1992-11-03 |
| 4493644 | Device for measuring and scraping operations in the field of prestorative dentistry | Minoru Ai, Yoshimasa Igarashi, Katsuya Mizuno | 1985-01-15 |