Tetsuo Uchiyama
21Patents
7h-index
42Co-inventors
69Inventor score
Filing activity: May 19, 1986 → Apr 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4837435A | Tunneling scanning microscope having light source | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4746635A | High strength and high hardness alumina-zirconia-silicon carbide sintered ceramic composite and its manufacturing process | Chemistry; Metallurgy | 20 | Expired |
| US7741656B2 | Semiconductor device and manufacturing the same | Electricity | 12 | Active |
| US6211496A | Molybdenum disilicide heating element and its production method | Electricity | 10 | Expired |
| US6008479A | Molybdenum disilicide ceramic composite infrared radiation source or heating source | Electricity | 9 | Expired |
| US5965051A | Ceramic heating element made of molybdenum disilicide and silicon carbide whiskers | Electricity | 9 | Expired |
| US4938861A | Limiting current-type oxygen sensor | Physics | 8 | Expired |
| US7087977B2 | Semiconductor device including multiple wiring layers and circuits operating in different frequency bands | Electricity | 7 | Expired |
| US6133182A | Alumina base ceramic sintered body and its manufacturing method | Chemistry; Metallurgy | 4 | Expired |
| US7167420B2 | Timepiece including base plate formed of resin and wheel train | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6869574B2 | Apparatus and method of generating charged particles | Electricity | 2 | Expired |
| US7575800B2 | Sliding parts, precision parts and timepieces and electronic equipment using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8382228B2 | Image forming apparatus and image forming method | Performing Operations; Transporting | 2 | Active |
| US8052242B2 | Image forming apparatus and image forming method | Performing Operations; Transporting | 2 | Active |
| US7217987B2 | Semiconductor device and manufacturing the same | Electricity | 1 | Active |
| US7306879B2 | Lithium ion secondary cell | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7479681B2 | Multilayered semiconductor structure containing a MISFET, a resistor, a capacitor, and an inductor | Electricity | 0 | Active |
| US7671381B2 | Semiconductor device and manufacturing the same | Electricity | 0 | Active |
| US8080831B2 | Semiconductor device and manufacturing the same | Electricity | 0 | Active |
| US7170827B2 | Timepiece, having bearing portion formed of resin and wheel train | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11704218B2 | Information processing apparatus and information processing method to analyze a state of dynamic random access memory (DRAM) | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.