Seiji Morita
145Patents
10h-index
78Co-inventors
83Inventor score
Filing activity: Nov 29, 1990 → Dec 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6621082B2 | Automatic focusing system for scanning electron microscope equipped with laser defect detection function | Electricity | 103 | Expired |
| US5126954A | Function expansion station for a portable computer | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5463614A | Optical recording medium having large guide groove track pitch/meander amplitude ratio | Physics | 53 | Expired |
| US5834133A | Laser-sealed battery | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6814897B2 | Method for manufacturing a molding tool used for substrate molding | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5991258A | Optical disk having data stored on a land portion and a groove portion with the land portion having a greater width than the groove portion | Physics | 14 | Expired |
| US8829070B2 | Ultraviolet-curable resin material for pattern transfer and magnetic recording medium manufacturing method using the same | Electricity | 13 | Active |
| US6874262B2 | METHOD FOR MANUFACTURING MASTER SUBSTRATE USED FOR MANUFACTURING GROOVED MOLDING SUBSTRATE, METHOD FOR MANUFACTURING STAMPER FOR MANUFACTURING GROOVED MOLDING SUBSTRATE, METHOD FOR MANUFACTURING GROOVED MOLDING SUBSTRATE, GROOVED MOLDING SUBSTRATE, MEMORY MEDIUM, MEMORY DEVICE, AND COMPUTER | Physics | 11 | Expired |
| US6676440B1 | Coin type electric element and printed circuit board with a coin type electric element | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5504734A | Optical disc | Physics | 10 | Expired |
| US6504164B2 | Electron beam apparatus | Electricity | 8 | Expired |
| US6829212B1 | High density optical disk and a method of high density recording | Physics | 8 | Expired |
| US6407979B1 | High density optical disk and a method for manufacturing same | Physics | 8 | Expired |
| US9922991B2 | Semiconductor memory device and method for manufacturing same | Electricity | 6 | Active |
| US8267603B2 | Sheet material cutter and printer | Emerging Cross-Sectional Technologies | 5 | Active |
| US6740888B2 | Electron beam apparatus | Electricity | 4 | Expired |
| US6715948B2 | Printer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7173261B2 | Image noise removing method in FIB/SEM complex apparatus | Electricity | 4 | Expired |
| US7533396B2 | Information storage medium, reproducing method, and recording method | Physics | 3 | Active |
| US7738213B2 | Magnetic disk medium, reticle and magnetic recording and reproducing apparatus | Physics | 3 | Active |
| US7791627B2 | Printer | Performing Operations; Transporting | 3 | Active |
| US7869339B2 | Multi-layer optical disc, information recording method and information reproducing method | Physics | 2 | Active |
| US8127323B2 | Information storage medium, reproducing method, and recording medium | Physics | 2 | Active |
| US10395899B2 | Method of manufacturing semiconductor device and semiconductor manufacturing apparatus | Electricity | 2 | Active |
| US10113030B2 | Resist material and pattern forming method using same | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.