Tohru Kimura
92Patents
11h-index
60Co-inventors
81Inventor score
Filing activity: Mar 17, 1976 → Aug 31, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5818788A | Circuit technique for logic integrated DRAM with SIMD architecture and a method for controlling low-power, high-speed and highly reliable operation | Physics | 78 | Expired |
| US5615144A | Non-volatile ferroelectric memory device with leakage preventing function | Physics | 42 | Expired |
| US5671174A | Ferroelectric memory device | Physics | 41 | Expired |
| US5019729A | TTL to CMOS buffer circuit | Electricity | 35 | Expired |
| US6411442B1 | Objective lens for pickup and light pickup apparatus | Physics | 32 | Expired |
| US4833652A | Semiconductor memory device having a self-diagnosing function | Physics | 25 | Expired |
| US7206276B2 | Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith | Physics | 24 | Expired |
| US6898168B2 | Optical pick-up apparatus | Physics | 22 | Expired |
| US7369481B2 | Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device | Physics | 14 | Expired |
| US6322875A | Transparent decoration key top and its manufacturing method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5805495A | Ferroelectric semiconductor memory and accessing method therefor | Physics | 13 | Expired |
| US6876501B2 | Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus | Physics | 10 | Expired |
| US6034911A | Semiconductor memory device for a rapid random access | Physics | 9 | Expired |
| US7345983B2 | Optical pick-up device and optical information recording reproducing apparatus | Physics | 8 | Expired |
| US6657531B2 | Fuse circuit using capacitors as fuse elements | Electricity | 8 | Expired |
| US4145462A | Process for producing solar collectors | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7359255B2 | Semiconductor device having auto trimming function for automatically adjusting voltage | Physics | 8 | Active |
| US6512640B2 | Objective lens for pickup and light pickup apparatus | Physics | 8 | Expired |
| US6359825B1 | Dynamic memory with increased access speed and reduced chip area | Physics | 8 | Expired |
| US6577551B2 | Semiconductor integrated circuit having a built-in data storage circuit for nonvolatile storage of control data | Physics | 7 | Expired |
| US7110344B2 | Objective lens, optical pickup apparatus, and recording and/or reproducing apparatus | Physics | 7 | Expired |
| US7193954B2 | Optical pickup device and objective lens for the optical pickup device | Physics | 7 | Expired |
| US6865025B2 | Aberration compensating optical element, optical system, optical pickup device, recorder and reproducer | Physics | 7 | Expired |
| US7327663B2 | Recording reproducing optical system, objective lens, and aberration correcting optical element | Physics | 6 | Expired |
| US7151661B2 | Capacitor module and semiconductor device using the same | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.