Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161247 | Extraction bag | Shigeki Oomori, Yumiko Abe, Mamoru Uchihara | 2024-12-10 |
| 11643270 | Extraction bag | Takashi Ishida | 2023-05-09 |
| 10906731 | Drip bag | Akiko Miyawaki | 2021-02-02 |
| 10730692 | Drip bag | Akiko Miyawaki | 2020-08-04 |
| 10246252 | Drip bag | Akiko Miyawaki | 2019-04-02 |
| 9732453 | Nonwoven fabric sheet, and extraction filter and extraction bag using the same | Masahiro Nakamuro, Naoko Yamaguchi | 2017-08-15 |
| 9650168 | Thread material cutting device | Tomohiro Takemoto, Nobuhito Yamauchi, Takeo Yamamura, Yoshiyuki Tsuji | 2017-05-16 |
| 8746131 | Drip bag | Naoko Yamaguchi | 2014-06-10 |
| 7235272 | Drip bag | Fumio Miyahara | 2007-06-26 |
| 4572609 | Cooling mechanism for optical fiber | Shiro Sakuragi, Haruo Kotani, Kyoshiro Imagawa | 1986-02-25 |
| 4491385 | Construction for holding optical fibers | Kyoshiro Imagawa, Shiro Sakuragi | 1985-01-01 |