Jun Izumi
25Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Apr 27, 1978 → Jun 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4595642A | Fuel cell composite plant | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5248325A | Gas separating system and gas recovery system | Performing Operations; Transporting | 38 | Expired |
| US5702505A | Method for collecting volatile organic substances | Performing Operations; Transporting | 37 | Expired |
| US4350669A | Process for controlling nitrogen oxides in exhaust gases | Performing Operations; Transporting | 27 | Expired |
| US6254763A | Method for manufacturing high concentration ozone gas | Performing Operations; Transporting | 20 | Expired |
| US4948401A | Gas mixture separator utilizing pressure modulation | Performing Operations; Transporting | 18 | Expired |
| US5695546A | Method for collecting volatile organic substances | Performing Operations; Transporting | 17 | Expired |
| US5313781A | Gasification-combined power plant | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5440873A | Gasification-combined power plant | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4431432A | Process and apparatus for separating a mixed gas such as air | Performing Operations; Transporting | 10 | Expired |
| US4453952A | Oxygen absorbent and process for the separation of oxygen and nitrogen using the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6503469B2 | Method for processing polluted fluid containing pollutants | Performing Operations; Transporting | 6 | Expired |
| US6214199A | Ozone storage/recovery method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6528024B2 | Ozone storage/recovery system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6533999B1 | Method and apparatus for processing polluted gas containing harmful substances | Performing Operations; Transporting | 4 | Expired |
| US6555072B2 | Apparatus for manufacturing high concentration ozone gas | Performing Operations; Transporting | 3 | Expired |
| US9216374B2 | Gas separation device and gas separation method | Chemistry; Metallurgy | 3 | Active |
| US6254962A | Ozone adsorbent, ozone-adsorbing molded product, and method of making same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5172544A | Method for power generation with gas turbine using gasified fuel of inferior quality | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5080876A | Self-reactivating type denitrating method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5075085A | Desulfurizing method for exhaust gas from combustor | Performing Operations; Transporting | 1 | Expired |
| US12315889B2 | Battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US9144767B2 | Gas separation device | Chemistry; Metallurgy | 0 | Active |
| US10549235B2 | Ozone oxidation decomposition treatment method for VOCs and/or gaseous inorganic reducing compounds in gas | Emerging Cross-Sectional Technologies | 0 | Active |
| US10493423B2 | Purification treatment method of liquid containing harmful substance, and purification treatment device of liquid containing harmful substance for carrying out said method | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.