NIPPON STEEL CORPORATION
3,551Patents
1,497Active
3,551Granted
54Portfolio score
Filing activity: Jul 6, 1973 → Nov 28, 2023 · 210 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5306666A | Process for forming a thin metal film by chemical vapor deposition | Electricity | 689 | Expired |
| US4984904A | Apparatus for continuously measuring temperature of molten metal and method for making same | Physics | 572 | Expired |
| US7204887B2 | Wafer holding, wafer support member, wafer boat and heat treatment furnace | Emerging Cross-Sectional Technologies | 544 | Expired |
| US5181779A | Thermocouple temperature sensor and a method of measuring the temperature of molten iron | Physics | 479 | Expired |
| US5812697A | Method and apparatus for recognizing hand-written characters using a weighting dictionary | Physics | 255 | Expired |
| US5412601A | Non-volatile semiconductor memory device capable of storing multi-value data in each memory cell | Physics | 189 | Expired |
| US4407681A | High tensile steel and process for producing the same | Chemistry; Metallurgy | 145 | Expired |
| US5596527A | Electrically alterable n-bit per cell non-volatile memory with reference cells | Physics | 145 | Expired |
| US5436481A | MOS-type semiconductor device and method of making the same | Electricity | 131 | Expired |
| US5546578A | Data base retrieval system utilizing stored vicinity feature values | Emerging Cross-Sectional Technologies | 131 | Expired |
| US5424978A | Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same | Physics | 127 | Expired |
| US5227662A | Composite lead frame and semiconductor device using the same | Electricity | 125 | Expired |
| US5418743A | Method of writing into non-volatile semiconductor memory | Physics | 116 | Expired |
| US8297096B2 | Method for hydroforming and hydroformed product | Emerging Cross-Sectional Technologies | 114 | Active |
| US5369661A | Semiconductor laser-pumped solid state laser system and optical coupling system coupling semiconductor laser with optical fiber | Electricity | 114 | Expired |
| US3986867A | Iron-chromium series amorphous alloys | Chemistry; Metallurgy | 110 | Expired |
| US5450354A | Non-volatile semiconductor memory device detachable deterioration of memory cells | Physics | 109 | Expired |
| US6380953B1 | Method of display scrolling along a timebase and an apparatus for performing the method | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5183863A | Viscoelastic resin composition for vibration-damping material | Chemistry; Metallurgy | 101 | Expired |
| US6099414A | Golf club head and method for producing the same | Human Necessities | 96 | Expired |
| US4375388A | Apparatus for filling carbonizing chamber of coke oven with powered coal with vibration applied thereto | Chemistry; Metallurgy | 91 | Expired |
| US5883975A | Compression and decompression methods on two-dimensional image data | Electricity | 90 | Expired |
| US5450341A | Non-volatile semiconductor memory device having memory cells, each for at least three different data writable thereinto selectively and a method of using the same | Physics | 87 | Expired |
| US5513201A | Optical path rotating device used with linear array laser diode and laser apparatus applied therewith | Electricity | 87 | Expired |
| US5613211A | Method of establishing inter base-station synchronization and mobile radio communicaton system using the method | Electricity | 85 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.