Taketo Maruyama
15Patents
8h-index
38Co-inventors
72Inventor score
Filing activity: Feb 11, 1991 → Jul 25, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6323169A | Resist stripping composition and process for stripping resist | Chemistry; Metallurgy | 42 | Expired |
| US5962385A | Cleaning liquid for semiconductor devices | Electricity | 38 | Expired |
| US6638694B2 | Resist stripping agent and process of producing semiconductor devices using the same | Physics | 33 | Expired |
| US6265309A | Cleaning agent for use in producing semiconductor devices and process for producing semiconductor devices using the same | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7049275B2 | Photoresist stripping composition and cleaning composition | Chemistry; Metallurgy | 21 | Expired |
| US6440326B1 | Photoresist removing composition | Electricity | 19 | Expired |
| US6686322B1 | Cleaning agent and cleaning process using the same | Electricity | 18 | Expired |
| US6458517B2 | Photoresist stripping composition and process for stripping photoresist | Physics | 12 | Expired |
| US5211738A | Adenine derivatives and their use as a plant growth regulator | Human Necessities | 5 | Expired |
| US6815150B2 | Photoresist stripping composition and process for stripping resist | Physics | 5 | Expired |
| US6500270B2 | Resist film removing composition and method for manufacturing thin film circuit element using the composition | Chemistry; Metallurgy | 3 | Expired |
| US9365770B2 | Etching solution for copper/molybdenum-based multilayer thin film | Electricity | 0 | Active |
| US8048331B2 | Etching composition and etching process | Chemistry; Metallurgy | 0 | Active |
| US5244487A | Adenine derivatives and their use as agents for increasing yield of crops | Human Necessities | 0 | Expired |
| US8980121B2 | Etching liquid for a copper/titanium multilayer thin film | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.