Isao Saito
79Patents
15h-index
127Co-inventors
87Inventor score
Filing activity: Dec 19, 1977 → Aug 25, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5726702A | Television signal receiving apparatus incorporating an information retrieving and reproducing apparatus | Electricity | 130 | Expired |
| US5243411A | Anti-piracy video tape system has anti-piracy components added to the luminance signal and the color difference signals | Electricity | 59 | Expired |
| US4598553A | Combustor for gas turbine | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4921863A | Cyclic amine derivatives | Chemistry; Metallurgy | 42 | Expired |
| US7414117B2 | Nucleotide derivative and DNA microarray | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6566336B1 | Compounds alkylating specific base sequence of DNA and method for synthesizing the same | Chemistry; Metallurgy | 27 | Expired |
| US4301169A | Novel imidazole compound and anti-depressing agent containing the same | Chemistry; Metallurgy | 26 | Expired |
| US5196439A | Piperidine compounds useful to treat cerebrovascular diseases | Chemistry; Metallurgy | 25 | Expired |
| US5770715A | Hammerhead-like nucleic acid analogues and their synthesis | Chemistry; Metallurgy | 24 | Expired |
| US6593088B1 | Reversible photocoupling nucleic acid and phosphoroamidite | Chemistry; Metallurgy | 24 | Expired |
| US4900407A | Method for deoxygenation of alcohols | Chemistry; Metallurgy | 23 | Expired |
| US6857816B2 | Roller | Fixed Constructions | 23 | Expired |
| US8769990B2 | Method for tempering glass sheet, and apparatus therefor | Chemistry; Metallurgy | 20 | Active |
| US6946455B2 | Interstrand crosslinking agents for DNA and compounds therefor | Chemistry; Metallurgy | 16 | Expired |
| US4468394A | Cephalosporin compounds | Chemistry; Metallurgy | 15 | Expired |
| US4805040A | Drop-out correction circuit in an apparatus for correcting time base error with inhibition of time-base information during dropout | Electricity | 14 | Expired |
| US4533669A | Anti-depressant imidazoles | Chemistry; Metallurgy | 14 | Expired |
| US4918546A | Tracking control devices for video tape recorders | Physics | 12 | Expired |
| US4633328A | Picture scanning and recording method | Electricity | 12 | Expired |
| US4161002A | Power conserving motor control circuit for a video tape recorder | Physics | 11 | Expired |
| US4748171A | Cephem compounds having at the 3-position a (1,4-methylene-1-piperidinio)methyl group or a (1-quinuclidinio)methyl group | Chemistry; Metallurgy | 11 | Expired |
| US4556580A | Method of repairing pipes laid underground | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6497611B2 | Method of polishing a magnetic head slider | Physics | 11 | Expired |
| US4402966A | Acylaminophenyl imidazoles and anti-depressing agent containing the same | Chemistry; Metallurgy | 10 | Expired |
| US6383239B1 | Free abrasive slurry composition and a grinding method using the same | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.