Inventor · disambiguated record
Ryosaku Tagaya
Also filed as: SUGIYAMA TSUGUTOSHI · TAGAYA RYOSAKU
11 granted patents·180 citations·filing 1974–1995
91Inventor score
Files withEISAI CO LTD11
Top patents by PatentIndex Score
11 records- 0180US4241256AApparatus for detecting foreign matters in liquidsEISAI CO LTD·Filed 1978·Granted Dec 23, 1980·32 cites·11 claims
- 0279US4274745AMethod and apparatus for detecting foreign matters in liquidsEISAI CO LTD·Filed 1978·Granted Jun 23, 1981·32 cites·3 claims
- 0367US3942897AMethod and apparatus for detecting solid substances contained in liquidEISAI CO LTD·Filed 1974·Granted Mar 9, 1976·11 cites·3 claims
- 0463US4158625AMethod and apparatus for detecting and screening foreign mattersEISAI CO LTD·Filed 1977·Granted Jun 19, 1979·16 cites·12 claims
- 0562US4058736AMethod and apparatus for inspecting extraneous solid substances contained in liquidEISAI CO LTD·Filed 1976·Granted Nov 15, 1977·17 cites·8 claims
- 0659US4664525AMethod and apparatus for detecting inferior containerEISAI CO LTD·Filed 1985·Granted May 12, 1987·21 cites·8 claims
- 0756US5615007AMethod of detecting crack and chip in flange of syringeEISAI CO LTD·Filed 1995·Granted Mar 25, 1997·21 cites·3 claims
- 0851US4058737AMethod and apparatus for detecting extraneous solid substances contained in liquidEISAI CO LTD·Filed 1976·Granted Nov 15, 1977·12 cites·9 claims
- 0943US4551022ATesting method by a spectroscopic photometry using three wavelengths of light and a device for said methodEISAI CO LTD·Filed 1983·Granted Nov 5, 1985·9 cites·6 claims
- 1037US4577969ATesting method for subjects to be tested and a device for said methodEISAI CO LTD·Filed 1983·Granted Mar 25, 1986·6 cites·7 claims
- 1129US4615622AProcess for detecting resident air in a liquid charged receptacle and apparatus thereforEISAI CO LTD·Filed 1984·Granted Oct 7, 1986·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →