Tadahiro Ohmi
33Patents
4Active
33Granted
39Portfolio score
Filing activity: May 17, 1988 → Sep 14, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6051851A | Semiconductor devices utilizing silicide reaction | Electricity | 71 | Expired |
| US5858106A | Cleaning method for peeling and removing photoresist | Performing Operations; Transporting | 59 | Expired |
| US5931722A | Chemical mechanical polishing apparatus | Performing Operations; Transporting | 46 | Expired |
| US4917136A | Process gas supply piping system | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6178995A | Fluid supply apparatus | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4869301A | Cylinder cabinet piping system | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5988217A | Shutoff-opening device | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6615871B2 | Fluid control apparatus | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6018136A | System for supervising piping work | Performing Operations; Transporting | 17 | Expired |
| US6286454A | Plasma process device | Electricity | 14 | Expired |
| US5661421A | Semiconductor integrated data matching circuit | Physics | 12 | Expired |
| US7001855B2 | Flash memory device and fabrication process thereof, method of forming a dielectric film | Electricity | 10 | Expired |
| US5937399A | Semiconductor integrated circuit | Physics | 10 | Expired |
| US6408879B1 | Fluid control device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6612898B1 | Method for forming oxidation-passive layer, fluid-contacting part, and fluid feed/discharge system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6998355B2 | Flash memory device and a fabrication process thereof, method of forming a dielectric film | Electricity | 8 | Expired |
| US7097735B2 | Plasma processing device | Electricity | 8 | Expired |
| US6039814A | Cleaning method utilizing degassed cleaning liquid with applied ultrasonics | Performing Operations; Transporting | 8 | Expired |
| US7538012B2 | Fluorine-containing carbon film forming method | Electricity | 7 | Expired |
| US7008598B2 | Reactor for generating moisture | Performing Operations; Transporting | 4 | Expired |
| US6007970A | Lithographic developer containing surfactant | Physics | 4 | Expired |
| US8047225B2 | Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used | Emerging Cross-Sectional Technologies | 4 | Active |
| US6456532B1 | Semiconductor memory device | Physics | 4 | Expired |
| US7436999B2 | Data analysis device and data recognition device | Physics | 3 | Expired |
| US5530283A | Lead frame and lead frame material | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.