Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186973 | Ion trap/time-of-flight mass analyzing apparatus and mass analyzing method | Yasushi Terui, Tsukasa Shishika, Shinji Nagai, Masaru Tomioka | 2007-03-06 |
| 7161141 | Ion trap/time-of-flight mass spectrometer and method of measuring ion accurate mass | Tadao Mimura, Yoshiaki Kato | 2007-01-09 |
| 6914239 | System for analyzing mass spectrometric data | Kiyomi Yoshinari, Kinya Kobayashi, Atsushi Otake | 2005-07-05 |
| 6248998 | Plasma ion source mass spectrometer | Masamichi Tsukada, Akira Owada | 2001-06-19 |
| 5793039 | Mass spectrometer, skimmer cone assembly, skimmer cone and its manufacturing method | Konosuke Oishi, Masamichi Tsukada, Takashi Iino | 1998-08-11 |
| 5763877 | Analyzer using plasma and analysis method using plasma, interface used for the same and sample introducing component used for the same | Konosuke Oishi, Masamichi Tsukada, Takashi Iino | 1998-06-09 |
| 5616918 | Plasma ion mass spectrometer and plasma mass spectrometry using the same | Konosuke Oishi, Masamichi Tsukada, Takashi Iino | 1997-04-01 |
| 5308977 | Plasma mass spectrometer | Konosuke Oishi, Masataka Koga, Hiromi Yamashita, Takashi Iino, Tsuyoshi Nishitarumizu | 1994-05-03 |
| 5252827 | Method and apparatus for analysis of gases using plasma | Masataka Koga, Hiromi Yamashita, Katuo Kawachi, Yukio Okamoto | 1993-10-12 |
| 5202562 | High sensitive element analyzing method and apparatus of the same | Masataka Koga, Masatoshi Kitagawa, Masamichi Tsukada, Yukio Okamoto | 1993-04-13 |
| 5108178 | Atomic absorption spectrophotometer and electromagnetic shut-off valve for use therein | Konosuke Oishi, Katsuhito Harada, Masamichi Tsukada, Kazuo Moriya | 1992-04-28 |
| 5104220 | Atomic absorption spectrophotometer and analyzing method | Katsuhito Harada, Konosuke Oishi | 1992-04-14 |
| 4890919 | Atomic absorption spectrophotometer | Masamichi Tsukada, Konosuke Oishi, Katsuhito Harada | 1990-01-02 |
| 4867562 | Atomic absorption spectrophotometer | Konosuke Oishi, Masamichi Tsukada, Masatoshi Kitagawa, Hayato Tobe | 1989-09-19 |
| 4840484 | Atomic absorption spectrophotometer with furnace at pressure equal or near light source pressure | Konosuke Oishi, Hayato Tobe, Masamichi Tsukada | 1989-06-20 |