| 5365559 |
Particle counting apparatus for a total counting of particles contained in a liquid sample |
Yu-ming Hsueh, Kazumichi Imai |
1994-11-15 |
| 5308977 |
Plasma mass spectrometer |
Konosuke Oishi, Hiromi Yamashita, Takashi Iino, Toyoharu Okumoto, Tsuyoshi Nishitarumizu |
1994-05-03 |
| 5252827 |
Method and apparatus for analysis of gases using plasma |
Toyoharu Okumoto, Hiromi Yamashita, Katuo Kawachi, Yukio Okamoto |
1993-10-12 |
| 5211829 |
Analytical method and apparatus using capillary tube |
Kazumichi Imai, Takehiko Kitamori, Tsuguo Sawada, Jiaqi Wu |
1993-05-18 |
| 5202562 |
High sensitive element analyzing method and apparatus of the same |
Toyoharu Okumoto, Masatoshi Kitagawa, Masamichi Tsukada, Yukio Okamoto |
1993-04-13 |
| 5164592 |
Method and apparatus for mass spectrometric analysis |
Takehiko Kitamori, Tsuyoshi Nishitarumizu, Tetsuya Matsui, Kenji Yokose, Masaharu Sakagami |
1992-11-17 |
| 5148021 |
Mass spectrometer using plasma ion source |
Yukio Okamoto, Satoshi Shimura, Konosuke Oishi, Makoto Yasuda, Takahashi Iino |
1992-09-15 |
| 5122752 |
Method of and apparatus for analyzing granular materials |
Tsuyoshi Nishitarumizu, Tetsuya Matsui, Kenji Yokose, Masaharu Sakagami, Takehiko Kitamori |
1992-06-16 |
| 5086255 |
Microwave induced plasma source |
Yukio Okamoto, Makoto Yasuda |
1992-02-04 |
| 4963735 |
Plasma source mass spectrometer |
Yukio Okamoto, Tsutomu Komoda, Satoshi Shimura, Seiichi Murayama |
1990-10-16 |
| 4948250 |
Atomic absorption spectrophotometer |
Konosuke Oishi, Hideaki Koizumi |
1990-08-14 |
| 4902099 |
Trace element spectrometry with plasma source |
Yukio Okamoto, Makoto Yasuda, Seiichi Murayama |
1990-02-20 |
| 4718763 |
Atomic absorption spectrophotometer |
Kounosuke Oishi, Kazuo Yasuda |
1988-01-12 |
| 4645341 |
Double polarized light beam spectrophotometer of light source modulation type |
Masatoshi Kitagawa, Konosuke Oishi |
1987-02-24 |
| 4198589 |
Spectral source, particularly for atomic absorption spectrometry |
Shinji Mayama, Yoji Arai, Konosuke Oishi |
1980-04-15 |