Inventor · Shibukawa, JP

Ryuzo Tobe

7Patents
5h-index
15Co-inventors
56Inventor score

Filing activity: Aug 23, 1996 → Sep 18, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6208911A Solid drug filling apparatus Physics 34 Expired
US5752368A Medication filling apparatus Performing Operations; Transporting 27 Expired
US6405893B1 Medicine supply apparatus Physics 20 Expired
US8555663B2 Refrigerating apparatus Emerging Cross-Sectional Technologies 9 Active
US8857199B2 Refrigerating apparatus Emerging Cross-Sectional Technologies 5 Active
US8590327B2 Refrigerating apparatus Emerging Cross-Sectional Technologies 4 Active
US8455241B2 Culture observation system Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.