Junichi Matsubara
23Patents
1h-index
18Co-inventors
50Inventor score
Filing activity: Jan 24, 2007 → Apr 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10128848B2 | Level shifter | Electricity | 1 | Active |
| US8773040B2 | Indicator drive circuit | Emerging Cross-Sectional Technologies | 1 | Active |
| US9428590B2 | Method for dehydrating hydrous low-substituted hydroxypropyl cellulose and method for producing low-substituted hydroxypropyl cellulose by using same | Chemistry; Metallurgy | 0 | Active |
| US9884922B2 | Hypromellose acetate succinate, method for producing the same and composition containing the same | Chemistry; Metallurgy | 0 | Active |
| US10498337B2 | Level shift device and IC device | Electricity | 0 | Active |
| US7655338B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10312913B2 | Level shifter | Electricity | 0 | Active |
| US11396558B2 | Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid | Human Necessities | 0 | Active |
| US8067106B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10233259B2 | Hypromellose acetate succinate, method for producing the same and composition containing the same | Chemistry; Metallurgy | 0 | Active |
| US9251973B2 | Push button switch and electronic apparatus using same | Electricity | 0 | Active |
| US11753483B2 | Hydroxypropyl methyl cellulose acetate succinate and method for producing the same | Chemistry; Metallurgy | 0 | Active |
| US11353899B2 | Constant voltage device | Physics | 0 | Active |
| US10483964B2 | Signal processing device | Electricity | 0 | Active |
| US11009899B2 | Circuit and constant-current drive system having adjustable constant current output | Emerging Cross-Sectional Technologies | 0 | Active |
| US9531030B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10934367B2 | Hypromellose acetate succinate and method for producing hypromellose acetate succinate | Chemistry; Metallurgy | 0 | Active |
| US10888525B2 | Hypromellose acetate succinate and method for producing the same | Chemistry; Metallurgy | 0 | Active |
| US10836836B2 | Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid preparation | Human Necessities | 0 | Active |
| US11873351B2 | Hydroxypropyl methyl cellulose phthalate and method for producing the same | Chemistry; Metallurgy | 0 | Active |
| US10934369B2 | Hypromellose phthalate and method for producing the same | Chemistry; Metallurgy | 0 | Active |
| US10961323B2 | Hypromellose phthalate and method for producing hypromellose phthalate | Chemistry; Metallurgy | 0 | Active |
| US10604588B2 | Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid preparation | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.