Takuji Kato
29Patents
4h-index
40Co-inventors
63Inventor score
Filing activity: Apr 24, 2003 → Mar 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7333259B2 | Multicolor display element | Physics | 16 | Active |
| US7816674B2 | Organic thin-film transistor | Electricity | 14 | Active |
| US8440713B2 | [1]benzothieno[3,2-B][1]benzothiophene compound and method for producing the same, and organic electronic device using the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US7075188B2 | Circuit device and method for manufacturing the same | Electricity | 6 | Expired |
| US8575365B2 | Organic semiconductive material precursor containing dithienobenzodithiophene derivative, ink, insulating member, charge-transporting member, and organic electronic device | Electricity | 4 | Active |
| US11610954B1 | OLED panel with advanced sub-pixel overhangs | Electricity | 4 | Active |
| US7663797B2 | Multicolor display element | Physics | 4 | Active |
| US8193304B2 | Benzobisthiazole compound, benzobisthiazole polymer, organic film including the compound or polymer and transistor including the organic film | Electricity | 3 | Active |
| US8680296B2 | Leaving substituent-containing compound, products produced using the same, and methods for producing the products | Chemistry; Metallurgy | 3 | Active |
| US10637003B2 | Organic electroluminescent display device and method for producing same | Electricity | 2 | Active |
| US11527732B1 | OLED anode structures including amorphous transparent conducting oxides and OLED processing method comprising the same | Electricity | 2 | Active |
| US7198212B2 | Sheet shredder | Performing Operations; Transporting | 2 | Expired |
| US10637009B1 | Organic electroluminescent display device | Emerging Cross-Sectional Technologies | 1 | Active |
| US10581028B2 | Method for producing organic electroluminescent display device | Emerging Cross-Sectional Technologies | 1 | Active |
| US11075249B2 | Method for producing organic electroluminescent display device comprising polydiacetylene layers | Electricity | 1 | Active |
| US8397339B2 | Reference member cleaning device, and reference member cleaning method | Physics | 1 | Active |
| US9224959B2 | Method for producing a pi-electron conjugated compound | Chemistry; Metallurgy | 0 | Active |
| US9133211B2 | Dithienobenzodithiophene semiconductive material and electronic device using the same | Electricity | 0 | Active |
| US9123896B2 | Organic electronic device containing an organic semiconductor material film which contains a leaving substituent-containing compound | Chemistry; Metallurgy | 0 | Active |
| US7106362B2 | Semiconductor integrated circuit and adjustment method thereof | Electricity | 0 | Expired |
| US7311255B2 | Magnetic detection device | Physics | 0 | Expired |
| US11345137B2 | Printing system and printing method | Performing Operations; Transporting | 0 | Active |
| US8530673B2 | Tetrathiafulvalene derivative, and organic film and organic transistor using the same | Electricity | 0 | Active |
| US10011684B2 | Arylamine polymer, method for producing the same, ink composition, film, electronic device, organic thin-film transistor, and display device | Electricity | 0 | Active |
| US11088348B2 | Method for producing organic electroluminescent display device comprising polydiacetylene layer | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.