Takashi Shirai
31Patents
10h-index
64Co-inventors
78Inventor score
Filing activity: Apr 8, 1976 → Nov 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6229607A | Fine movement mechanism unit and scanning probe microscope | Emerging Cross-Sectional Technologies | 59 | Expired |
| US9550834B2 | Method for preparing glycan-hydrolyzed antibody, and homogeneous glycosylated antibody | Physics | 52 | Active |
| US5094430A | Control valve | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6956227B2 | Object detecting device and method with means for controlling direction of scan by electromagnetic waves | Physics | 29 | Expired |
| US7076926B2 | Damping intermediate pillar and damping structure using the same | Fixed Constructions | 28 | Expired |
| US7225588B2 | Damping brace and structure | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4921698A | Polypeptide having gamma-interferon activity lacking amino acids coded by exon 4 | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5467281A | Controller for power steering apparatus | Performing Operations; Transporting | 15 | Expired |
| US6278113A | Scanning probe microscope | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4393225A | AI-77 Compounds and pharmaceutically acceptable salts thereof | Chemistry; Metallurgy | 10 | Expired |
| US7576838B2 | Radar device | Physics | 6 | Active |
| US4659451A | Reference electrode for high pressure liquid | Physics | 6 | Expired |
| US6351114B1 | High frequency current detecting apparatus | Physics | 5 | Expired |
| US8400048B2 | Tuning-fork type piezoelectric resonator plate comprising leg portions and a bonding portion respectively provided on first and second end faces of a base portion | Electricity | 5 | Active |
| US4055716A | N.sup.4 Acyl-1-arabinofuranosylcytosine-5'-esters | Chemistry; Metallurgy | 4 | Expired |
| US6184533A | Scanning probe microscope with the stage unit | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD410396S | Electric current measuring instrument | General | 2 | Expired |
| US8486240B2 | Ceramic electrode material and manufacturing method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US9091578B2 | Thermal flow rate sensor | Physics | 1 | Active |
| US8004157B2 | Piezoelectric resonator plate and piezoelectric resonator device | Electricity | 1 | Active |
| US9671182B2 | Copper alloy tube for heat exchanger excellent in fracture strength | Chemistry; Metallurgy | 1 | Active |
| US7417362B2 | Frequency regulating method for tuning fork type vibrator and tuning fork type vibrator frequency-regulated by the method | Electricity | 1 | Expired |
| US9984794B1 | Refractory insulating sheet | Performing Operations; Transporting | 1 | Active |
| US10337900B2 | Thermal flow meter, temperature measurement device, and thermal flow meter program | Physics | 0 | Active |
| US8859511B2 | Proliferation inhibitor of Helicobacter pylori bacteria | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.