Hirofumi Io
5Patents
3h-index
23Co-inventors
57Inventor score
Filing activity: Nov 12, 1991 → Apr 4, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5198579A | Catalyst for oxidizing methacrolein and method for preparing methacrylic acid | Performing Operations; Transporting | 12 | Expired |
| US6875819B2 | Fluorinated cycloolefin polymers, processes for preparation of fluorinated cycloofefin monomers and polymers thereof, and use of the same | Chemistry; Metallurgy | 8 | Expired |
| US6800720B2 | Hydrogenated ring-opening metathesis copolymer and process for producing the same | Physics | 5 | Expired |
| US8216766B2 | Polymer, polymer preparation method, resist composition and patterning process | Emerging Cross-Sectional Technologies | 0 | Active |
| US9128238B2 | Optical material and molded product thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.