Junichi Yamada
75Patents
15h-index
82Co-inventors
87Inventor score
Filing activity: Jul 5, 1977 → Feb 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7216021B2 | Method, system and computer program for managing energy consumption | Emerging Cross-Sectional Technologies | 114 | Expired |
| US5926413A | Ferroelectric memory device | Physics | 86 | Expired |
| US5683943A | Process for etching a semiconductor lead frame | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5521842A | Diagnostic device and a data communication system for use with the diagnostic device | Physics | 56 | Expired |
| USD502607S1 | Electric massaging chair | General | 49 | Expired |
| US4597879A | Micellar slug for oil recovery | Emerging Cross-Sectional Technologies | 36 | Expired |
| USD354954S | Video telephone | General | 32 | Expired |
| USD536891S1 | Electric massaging chair | General | 26 | Expired |
| USD350346S | Television receiver | General | 24 | Expired |
| US6233170A | Sense amplifier circuit, memory device using the circuit and method for reading the memory device | Physics | 23 | Expired |
| US4555351A | Micellar slug for oil recovery | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4549607A | Micellar slug for oil recovery | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6278630A | Ferroelectric memory device with a high-speed read circuit | Physics | 18 | Expired |
| US7330222B2 | Display device and method for fabricating the same | Physics | 17 | Active |
| US4537253A | Micellar slug for oil recovery | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4616129A | Light detecting apparatus | Electricity | 15 | Expired |
| USD507312S1 | Exercise device | General | 14 | Expired |
| USD311614S | Electric vacuum cleaner | General | 14 | Expired |
| US4544033A | Oil recovery process | Chemistry; Metallurgy | 14 | Expired |
| US6438020B1 | Ferroelectric memory device having an internal supply voltage, which is lower than the external supply voltage, supplied to the memory cells | Physics | 14 | Expired |
| USD318542S | Power head agitator for a vacuum cleaner | General | 13 | Expired |
| US7450427B2 | Non-volatile semiconductor memory device | Physics | 13 | Active |
| US4733728A | Micellar slug for oil recovery | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6008068A | Process for etching a semiconductor lead frame | Electricity | 11 | Expired |
| US7599221B2 | Floating gate memory device with improved reference current generation | Physics | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.