Ryohei Ueda
10Patents
3h-index
19Co-inventors
57Inventor score
Filing activity: Feb 21, 1991 → Jan 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5389544A | Method for counting living cells of microbes and apparatus therefor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5578472A | Process for the production of ethanol from microalgae | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8460435B2 | Apparatus for producing high-concentration ozone gas and method of producing high-concentration ozone gas | Performing Operations; Transporting | 4 | Active |
| US8409520B2 | Ozone concentrator | Emerging Cross-Sectional Technologies | 3 | Active |
| US8500874B2 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Emerging Cross-Sectional Technologies | 3 | Active |
| US7419673B2 | Anti-viral agents prepared from sea lettuce as raw material | Human Necessities | 2 | Active |
| US7771797B2 | Photocatalyst material producing method and photocatalyst material producing apparatus | Chemistry; Metallurgy | 1 | Active |
| US6955812B2 | Health food and preparation having an anti-obesity effect | Human Necessities | 1 | Expired |
| US8608832B2 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Emerging Cross-Sectional Technologies | 1 | Active |
| US11758833B2 | Work vehicle | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.