Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012081 | Brake control apparatus | Chiharu Nakazawa | 2024-06-18 |
| 11922914 | Desk bell | — | 2024-03-05 |
| 11875668 | Information transmission system using bell | Hironori Ogawa, Keiichi Osaku, Dankan Arekusanda Eriku Shoton, Masaru Mizuochi, Mio Omura | 2024-01-16 |
| 11583119 | Drinking container used for toasting and drinking container serving as bell | — | 2023-02-21 |
| 11498230 | Fastner | — | 2022-11-15 |
| 11173618 | Fastner | — | 2021-11-16 |
| 9230530 | Rolling element bell | — | 2016-01-05 |
| 8894396 | Pump apparatus with pressing means | Masaki Misunou, Chiharu Nakazawa | 2014-11-25 |
| 8684473 | Gear pump and gear pump for brake apparatus | Chiharu Nakazawa, Yoshiki Sakamoto, Ryohei Maruo | 2014-04-01 |
| 8579616 | Gear pump | Chiharu Nakazawa, Ryohei Maruo | 2013-11-12 |
| 8257070 | Seal apparatus of gear pump | Ryohei Maruo, Norihiro Saita | 2012-09-04 |