Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215284 | Sealing apparatus | Masahiko Inoue, Hisato YONAI, Yuya SAKANO | 2022-01-04 |
| 7753376 | Plunger seal for pump | Yosuke Kondo, Yasuaki Tanabe, Katsutoshi Ishioka, Shinji Nagasawa, Junichi Nakayama +1 more | 2010-07-13 |
| 7717432 | Plunger seal for pump | Yosuke Kondo, Yasuaki Tanabe, Katsutoshi Ishioka, Shinji Nagasawa, Junichi Nakayama +1 more | 2010-05-18 |
| 7513506 | Plunger seal for pump | Yosuke Kondo, Yasuaki Tanabe, Katsutoshi Ishioka, Shinji Nagasawa, Junichi Nakayama +1 more | 2009-04-07 |