Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1027643 | Pump dispenser for bottle | Machiko Katano | 2024-05-21 |
| D988866 | Pump dispenser for bottle | Machiko Katano | 2023-06-13 |
| D931726 | Main body of pump dispenser | Machiko Katano, Hiroshi Onishi | 2021-09-28 |
| 11020755 | Foam dispensing container | Hidesato Kizaki | 2021-06-01 |
| D915197 | Ring for pump dispenser | Machiko Katano, Hiroshi Onishi | 2021-04-06 |
| 10478834 | Foam dispensing container | Hidesato Kizaki | 2019-11-19 |
| D800554 | Fluid dispensing adaptor for container | Hidesato Kizaki | 2017-10-24 |
| 8793831 | Cleaning device | Makoto Katou, Susumu Fujinami, Kimie Sannomiya, Yukio Noda, Yutaka Hamano +1 more | 2014-08-05 |
| 8151403 | Cleaning implement | Minoru Wada, Hiroyuki Yanagida, Keima Takabayashi, Hidesato Kizaki | 2012-04-10 |
| D654361 | Cap for a container | — | 2012-02-21 |
| D644386 | Floor wiper | Hirotoshi Tawara, Susumu Fujinami | 2011-08-30 |
| D604468 | Handle used for mop holder | Hirotoshi Tawara | 2009-11-17 |