Assignee
JAPAN SPECTROSCOPIC CO
JP·22 granted patents·757 citations·filing 1976–1994
Top patents by PatentIndex Score
22 records- 0195US5013443AExtraction and separation method and apparatus using supercritical fluidJAPAN SPECTROSCOPIC CO·Filed 1990·Granted May 7, 1991·207 cites·4 claims
- 0293US4298795AMethod and apparatus for introducing samples to a mass spectrometerJAPAN SPECTROSCOPIC CO·Filed 1979·Granted Nov 3, 1981·92 cites·19 claims
- 0385US4310420AMobile phase supplying method in the liquid chromatography and apparatus thereforJAPAN SPECTROSCOPIC CO·Filed 1980·Granted Jan 12, 1982·56 cites·8 claims
- 0484US5180487APump apparatus for transferring a liquified gas used in a recycle chromatographJAPAN SPECTROSCOPIC CO·Filed 1991·Granted Jan 19, 1993·62 cites·4 claims
- 0584US4207188AOpen tubular capillary column for high-speed micro liquid chromatographyJAPAN SPECTROSCOPIC CO·Filed 1978·Granted Jun 10, 1980·40 cites·6 claims
- 0683US4984602APressure control apparatus and apparatus for effecting extraction chromatographic separation, and fractionation by employing the sameJAPAN SPECTROSCOPIC CO·Filed 1989·Granted Jan 15, 1991·66 cites·8 claims
- 0782US4155683ASystem for and a method of providing a liquid chromatography eluentJAPAN SPECTROSCOPIC CO·Filed 1977·Granted May 22, 1979·33 cites·7 claims
- 0867US4802760ARaman microprobe apparatus for determining crystal orientationJAPAN SPECTROSCOPIC CO·Filed 1988·Granted Feb 7, 1989·24 cites·2 claims
- 0967US4102782AMethod of sample introduction in the micro liquid chromatography and the apparatus thereforJAPAN SPECTROSCOPIC CO·Filed 1977·Granted Jul 25, 1978·20 cites·8 claims
- 1066US5205988AApparatus for measuring gaseous aldehydeJAPAN SPECTROSCOPIC CO·Filed 1990·Granted Apr 27, 1993·25 cites·4 claims
- 1163US4841145AApparatus for preparing sample solution for infrared spectrophotometer and method of analyzing sample solutionJAPAN SPECTROSCOPIC CO·Filed 1987·Granted Jun 20, 1989·26 cites·14 claims
- 1255US4575246AMichelson interferometerJAPAN SPECTROSCOPIC CO·Filed 1984·Granted Mar 11, 1986·18 cites·3 claims
- 1352US4346610ADevice for introducing micro amount of sample into an analyzing apparatusJAPAN SPECTROSCOPIC CO·Filed 1980·Granted Aug 31, 1982·16 cites·11 claims
- 1451US4577106ASpectrophotometerJAPAN SPECTROSCOPIC CO·Filed 1983·Granted Mar 18, 1986·14 cites·9 claims
- 1549US4059523AColumn for use in high speed liquid chromatographyJAPAN SPECTROSCOPIC CO·Filed 1976·Granted Nov 22, 1977·13 cites·5 claims
- 1645US4844611ASplit stream flow cellJAPAN SPECTROSCOPIC CO·Filed 1988·Granted Jul 4, 1989·12 cites·11 claims
- 1742US5594545AMicroflow cellJAPAN SPECTROSCOPIC CO·Filed 1994·Granted Jan 14, 1997·12 cites·24 claims
- 1838US4545681AMethod and apparatus for controlling measurement in a spectrophotometerJAPAN SPECTROSCOPIC CO·Filed 1983·Granted Oct 8, 1985·6 cites·11 claims
- 1933US4500205ASpectrophotometerJAPAN SPECTROSCOPIC CO·Filed 1983·Granted Feb 19, 1985·3 cites·7 claims
- 2031US5494824AApparatus for measuring aldehyeJAPAN SPECTROSCOPIC CO·Filed 1994·Granted Feb 27, 1996·4 cites·3 claims
- 2130US4583853ARatio type double-beam spectrophotometerJAPAN SPECTROSCOPIC CO·Filed 1984·Granted Apr 22, 1986·5 cites·8 claims
- 2226US4577966ASpectrophotometerJAPAN SPECTROSCOPIC CO·Filed 1984·Granted Mar 25, 1986·3 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →