Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318473 | Composition for controlling indigenous bacterial flora in the skin | Yasuko YONEDA, Ryogo TAKAI, Kohei Yamamoto | 2025-06-03 |
| 11860136 | Gas chromatography analysis method and gas chromatography analysis system | — | 2024-01-02 |
| 11796521 | Gas analyzer and method of detecting state of gas analyzer | — | 2023-10-24 |
| 11566976 | Gas supply method and gas sampler | Wenjian LU, Ayaka Sato | 2023-01-31 |
| 11531008 | Gas sampler | Wenjian LU, Ayaka Sato | 2022-12-20 |
| 11242943 | Micro-valve | Wenjian LU, Kazunori Takahashi, Ayaka Sato | 2022-02-08 |
| 11099160 | Multidimensional gas chromatograph | — | 2021-08-24 |
| 11015735 | Valve system | Wenjian LU, Jun YANAGIBAYASHI | 2021-05-25 |
| 10458961 | Gas chromatograph | Yuji Nakama, Minoru Kashihara | 2019-10-29 |
| 10330651 | Thermal conductivity detector and gas chromatograph | Yuji Nakama, Kazunori Takahashi, Minoru Kashihara | 2019-06-25 |
| 6205841 | Gas chromatograph | — | 2001-03-27 |
| 5938817 | Gas chromatograph | Koji Omiya | 1999-08-17 |
| 5783742 | Method of injecting a sample into gas chromatograph | Masahito Ueda | 1998-07-21 |
| 5672810 | Gas chromatograph apparatus for a liquid sample containing a solvent | — | 1997-09-30 |