Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428616 | Centrifugal sedimentation type particle size distribution measuring device | Tetsuji Yamaguchi, Takeshi Akamatsu | 2022-08-30 |
| 10254213 | Particle analysis apparatus | Motoaki Hamada | 2019-04-09 |
| 8625093 | Particle characterization device | Tetsuji Yamaguchi, Takuji Kurozumi | 2014-01-07 |
| 7483027 | Apparatus and method of cataloging test data by icons | Seiichiro Yoshioka, Yoshiyuki Okada, Loic Merckel | 2009-01-27 |
| 6252658 | Particle size distribution measuring apparatus | Yoshiaki Togawa, Toshiya Ito, Yukio Sakai | 2001-06-26 |
| 6236458 | Particle size distribution measuring apparatus, including an array detector and method of manufacturing the array detector | Yoshiaki Togawa | 2001-05-22 |
| 6191853 | Apparatus for measuring particle size distribution and method for analyzing particle size distribution | Tetsuji Yamaguchi | 2001-02-20 |
| 6061131 | Optical axis adjustment apparatus and method for particle size distribution measuring equipment | Yoshiaki Togawa | 2000-05-09 |
| 5936729 | Photo detector assembly for measuring particle sizes | — | 1999-08-10 |
| 5796480 | Particle size distribution analyzer with fractionator pretreatment | — | 1998-08-18 |
| 5682235 | Dry particle-size distribution measuring apparatus | — | 1997-10-28 |
| 5212393 | Sample cell for diffraction-scattering measurement of particle size distributions | Yoshiaki Togawa, Koichiro Matsuda | 1993-05-18 |
| 5185641 | Apparatus for simultaneously measuring large and small particle size distribution | Yoshiaki Togawa | 1993-02-09 |
| 5164787 | Apparatus for measuring particle size distribution | Yoshiaki Togawa | 1992-11-17 |