Fujio Masuko
10Patents
5h-index
21Co-inventors
62Inventor score
Filing activity: May 24, 1976 → Sep 29, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4152170A | Cross-linked pullulan | Chemistry; Metallurgy | 19 | Expired |
| US4727204A | Process for preparing 5-ethylidene-2-norbornene with high quality | Chemistry; Metallurgy | 14 | Expired |
| US4536599A | Synthesis of amine derivatives | Chemistry; Metallurgy | 12 | Expired |
| US4172782A | Recovery of catalyst | Performing Operations; Transporting | 9 | Expired |
| US4090016A | Carboxylated pullulan and method for producing same | Chemistry; Metallurgy | 5 | Expired |
| US4297508A | Process for producing 2 hydroxy-naphthalene-3-carboxylic acid | Chemistry; Metallurgy | 2 | Expired |
| US4777309A | Continuous process for producing 5-vinyl-2-norbornene | Chemistry; Metallurgy | 2 | Expired |
| US4584410A | Process for the preparation of hydroxybenzaldehydes | Chemistry; Metallurgy | 1 | Expired |
| US4220592A | Synthesis of substituted phenylacetic acid | Chemistry; Metallurgy | 0 | Expired |
| US4144264A | Process for producing a 3-methyl-2-(4-halophenyl)butyronitrile | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.