Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384838 | Seal member | Nobuhiro Yoshida, Hamid Noorbakhsh | 2022-07-12 |
| D942596 | Seal material | — | 2022-02-01 |
| 11231108 | Composite seal member | Sangho Kim, Michi Kuroda, Nobuhiro Yoshida | 2022-01-25 |
| D933619 | Seal member for semiconductor production apparatus | Nobuhiro Yoshida | 2021-10-19 |
| D933033 | Seal member for semiconductor production apparatus | Nobuhiro Yoshida | 2021-10-12 |
| D933032 | Seal member for semiconductor production apparatus | Nobuhiro Yoshida | 2021-10-12 |
| D933031 | Seal member for semiconductor production apparatus | Nobuhiro Yoshida | 2021-10-12 |
| D922027 | Composite seal member for semiconductor production apparatus | Nobuhiro Yoshida, Sangho Kim | 2021-06-15 |
| D922546 | Composite seal member for semiconductor production apparatus | Nobuhiro Yoshida, Sangho Kim | 2021-06-15 |
| D917028 | Seal | Nobuhiro Yoshida | 2021-04-20 |
| 10943808 | Ceramic electrostatic chuck having a V-shape seal band | Hamid Noorbakhsh, Nobuhiro Yoshida | 2021-03-09 |
| D909322 | Seal member for use in semiconductor production apparatus | Nobuhiro Yoshida | 2021-02-02 |
| D909323 | Seal member for use in semiconductor production apparatus | Nobuhiro Yoshida | 2021-02-02 |
| D901648 | Seal | Nobuhiro Yoshida | 2020-11-10 |
| D898170 | Composite seal member for semiconductor production apparatus | Nobuhiro Yoshida, Sangho Kim | 2020-10-06 |
| D896353 | Composite seal | — | 2020-09-15 |
| D877865 | Seal | — | 2020-03-10 |
| D822181 | Composite seal | — | 2018-07-03 |
| D821552 | Composite seal | Michi Kuroda, Sang-Ho Kim | 2018-06-26 |
| 9892945 | Composite seal | — | 2018-02-13 |
| D754308 | Composite sealing material | — | 2016-04-19 |
| D633991 | Gate valve seal | — | 2011-03-08 |
| 5009751 | Process for separation of hafnium tetrachloride from zirconium tetrachloride | Tomoo Kirihara, Yoshinobu Seki, Yutaka Honda, Yasuo Ichihara | 1991-04-23 |
| 4925537 | Process for separation of hafnium tetrachloride from zirconium tetrachloride and electrode | Tomoo Kirihara, Yoshinobu Seki, Yutaka Honda, Yasuo Ichihara | 1990-05-15 |
| 4873073 | Method for production of bismuth (III) oxide | Haruo Matsui, Kiyotaka Kato | 1989-10-10 |