Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089574 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda | 2025-08-19 |
| D1089575 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda | 2025-08-19 |
| D1067394 | Toilet seat | Kazuki Otsuka, Masanobu Wano, Hiroshi Shimoda | 2025-03-18 |
| D984608 | Toilet seat | Minoru Tani, Tomohiro Miyazaki | 2023-04-25 |
| D892999 | Toilet seat cover | Tomohiro Miyazaki | 2020-08-11 |
| D884854 | Toilet seat | Minoru Tani, Tomohiro Miyazaki | 2020-05-19 |
| 10595688 | Toilet apparatus | Megumi Takeshita, Mihoko Sato, Tomofumi Onishi, Akihiro Ashihara, Ayaka Shigeta +1 more | 2020-03-24 |
| 10448791 | Toilet apparatus | Megumi Takeshita, Mihoko Sato, Tomomi Rokuta, Akihiro Ashihara, Ayaka Shigeta +1 more | 2019-10-22 |
| 10349793 | Toilet apparatus | Megumi Takeshita, Mihoko Sato, Tomomi Rokuta, Akihiro Ashihara, Ayaka Shigeta +2 more | 2019-07-16 |
| D844761 | Toilet seat | Minoru Tani | 2019-04-02 |
| D844120 | Toilet seat | Minoru Tani | 2019-03-26 |
| D831802 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuki Shimokawa, Yuji Yoshioka | 2018-10-23 |
| D811564 | Toilet seat | Yuji Yoshioka, Minoru Tani | 2018-02-27 |
| D810900 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuki Shimokawa, Yuji Yoshioka | 2018-02-20 |
| D810250 | Water closet | Yuji Yoshioka, Minoru Tani | 2018-02-13 |
| D796017 | Toilet | Yuji Yoshioka, Minoru Tani | 2017-08-29 |
| D764643 | Toilet | Yuji Yoshioka, Minoru Tani | 2016-08-23 |
| 8922932 | Power supply circuit | — | 2014-12-30 |
| 8686705 | Current mode synchronous rectification DC/DC converter | Haruo Yamakoshi | 2014-04-01 |
| 8106634 | Switching power supply and portable device | Yoshiyuki Hojo | 2012-01-31 |
| 7872459 | Semiconductor integrated circuit device and regulator using it | Yoshiyuki Hojo | 2011-01-18 |
| 7576531 | Switching regulator and electronic device therewith | — | 2009-08-18 |
| 4895633 | Method and apparatus for molten salt electroplating of steel | Hirohisa Seto, Atsuyoshi Shibuya, Junichi Uchida, Toshio Nakamori, Kenichi Yanagi +7 more | 1990-01-23 |