Yoshihiko Gotoh
15Patents
8h-index
22Co-inventors
68Inventor score
Filing activity: Dec 22, 1987 → Dec 3, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6111150A | Method for producing 1,1,1,3,3,-pentafluoropropane | Chemistry; Metallurgy | 145 | Expired |
| US7019604B2 | Piezoelectric filter, duplexer, composite piezoelectric resonator, communication device and method for adjusting frequency of piezoelectric filter | Electricity | 73 | Expired |
| US6235951A | Method for producing 1,1,1,3,3-pentafluoropropane | Chemistry; Metallurgy | 57 | Expired |
| US7276994B2 | Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter | Electricity | 52 | Expired |
| US4873027A | Fluoroalkylaryliodonuim compounds | Chemistry; Metallurgy | 35 | Expired |
| US6316681A | Method for producing 1,1,1,3,3-pentafluoropropane | Chemistry; Metallurgy | 16 | Expired |
| US7110247B2 | Touch panel holder frame, spacer member, and display device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6198010A | Method for producing 1,1,1,3,3-pentafluoropropane | Chemistry; Metallurgy | 8 | Expired |
| US7305852B2 | Method for manufacturing quartz glass ingot | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6897740B2 | Duplexer and composite module having a package with an electroconductive lid electrically connected to a shield | Electricity | 5 | Expired |
| US6914368B2 | Piezoelectric resonator, and piezoelectric filter, duplexer, and communication apparatus, all including same | Electricity | 5 | Expired |
| US6052043A | Thin-film multilayered electrode, high-frequency transmission line, high-frequency resonator, and high-frequency filter | Electricity | 4 | Expired |
| US4929753A | Preparation of trifluoromethylbenzoic acid from hexafluoroxylene | Chemistry; Metallurgy | 2 | Expired |
| US4845279A | Method of preparing 4-trifluoromethyl-2-nitrobenzoic acid and novel isomer | Chemistry; Metallurgy | 0 | Expired |
| US5017730A | Process of preparing bis (trifluoromethylphenyl) methanol | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.