Isao Abe
55Patents
9h-index
70Co-inventors
81Inventor score
Filing activity: Apr 7, 1988 → Aug 12, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5723986A | Level shifting circuit | Electricity | 41 | Expired |
| USD651542S1 | Steering wheel for an automobile | General | 37 | Expired |
| US5031149A | Non-volatile semiconductor memory device having, at the prestage of an address decoder, a level shifter for generating a program voltage | Physics | 32 | Expired |
| US5283565A | Multimode input circuit receiving two signals having amplitude variations different from each other | Physics | 28 | Expired |
| US6237484A | Screen printing apparatus | Performing Operations; Transporting | 23 | Expired |
| US5159221A | Brush holder structure in electric motor | Electricity | 16 | Expired |
| US4988894A | Power supply switching circuit | Electricity | 14 | Expired |
| US4930105A | Nonvolatile semiconductor memory device with a double gate structure | Physics | 12 | Expired |
| US7288389B2 | Peptide-forming enzyme gene | Chemistry; Metallurgy | 9 | Expired |
| US7531340B2 | Peptide-forming enzyme gene | Chemistry; Metallurgy | 8 | Active |
| US6819019B2 | Motor equipped with rotation sensor | Electricity | 7 | Expired |
| US8039232B2 | Method for producing a dipeptide | Chemistry; Metallurgy | 6 | Active |
| US7736871B2 | Peptide-forming enzyme gene | Chemistry; Metallurgy | 6 | Active |
| US7338780B2 | Method for producing tripeptides and/or peptides longer than tripeptides | Chemistry; Metallurgy | 6 | Expired |
| US7361458B2 | Method for producing α-L-aspartyl-L-phenylalanine-β-ester and method for producing α-L-aspartyl-L-phenylalanine-α-methyl ester | Chemistry; Metallurgy | 6 | Expired |
| US9188214B2 | Motor apparatus and manufacturing method thereof | Emerging Cross-Sectional Technologies | 6 | Active |
| US8187747B2 | Positive Electrode active material for non-aqueous electrolyte-based secondary battery, production method therefor and non-aqueous electrolyte-based secondary battery using the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US5327022A | Multiplexer circuit less liable to malfunction | Electricity | 4 | Expired |
| US8302838B2 | Micro-bump forming apparatus | Electricity | 3 | Active |
| US9107323B2 | Band-pass filter module and module substrate | Electricity | 3 | Active |
| US8389241B2 | Enzyme that catalyzes a peptide-forming reaction from a carboxy component and an amine component, microbe producing the same, and a method of producing a dipeptide using the enzyme or microbe | Chemistry; Metallurgy | 3 | Active |
| US8329428B2 | Enzyme that catalyzes a peptide-forming reaction from a carboxy component and an amine component, microbe producing the same, and a method of producing a dipeptide using the enzyme or microbe | Chemistry; Metallurgy | 3 | Active |
| US7736876B2 | Peptide-forming enzyme gene | Chemistry; Metallurgy | 3 | Active |
| US8864925B2 | Method for producing laminated electronic component, and laminated electronic component | Emerging Cross-Sectional Technologies | 3 | Active |
| US8544055B2 | Communication apparatus, control method, and computer-readable storage medium | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.