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Ryosaku Tagaya

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 96(Granted Patents)

Location History:

Isezaka, JA (1976)
Isezaki, JA (1977)
Gunma, JP (1985 - 1986)
Isesaki, JP (1979 - 1997)

Company Filing History:

Eisai Company, Limited

Years Active: 1976-1997

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5615007 - Method of detecting crack and chip in flange of syringe (1997-03-25),

2. 4664525 - Method and apparatus for detecting inferior container (1987-05-12),

3. 4615622 - Process for detecting resident air in a liquid charged receptacle and (1986-10-07),

4. 4577969 - Testing method for subjects to be tested and a device for said method (1986-03-25),

5. 4551022 - Testing method by a spectroscopic photometry using three wavelengths of (1985-11-05),

6. 4274745 - Method and apparatus for detecting foreign matters in liquids (1981-06-23),

7. 4241256 - Apparatus for detecting foreign matters in liquids (1980-12-23),

8. 4158625 - Method and apparatus for detecting and screening foreign matters (1979-06-19),

9. 4058737 - Method and apparatus for detecting extraneous solid substances contained (1977-11-15),

10. 4058736 - Method and apparatus for inspecting extraneous solid substances (1977-11-15),

11. 3942897 - Method and apparatus for detecting solid substances contained in liquid (1976-03-09),

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