Akira Okamoto
138Patents
18h-index
195Co-inventors
89Inventor score
Filing activity: Aug 21, 1975 → Nov 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6664863B1 | LC oscillator | Electricity | 114 | Expired |
| US7046113B1 | Inductor element | Electricity | 112 | Expired |
| US5571967A | Termite detecting device and a method of detecting termites | Physics | 71 | Expired |
| US4860214A | Inference system | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5943437A | Method and apparatus for classifying a defect on a semiconductor wafer | Electricity | 47 | Expired |
| US5629553A | Variable inductance element using an inductor conductor | Electricity | 41 | Expired |
| US5546212A | Optical module for two-way transmission | Physics | 36 | Expired |
| US6171641A | Vacuum processing apparatus, and a film deposition apparatus and a film deposition method both using the vacuum processing apparatus | Electricity | 35 | Expired |
| US6206502A | Printing method and printing apparatus | Physics | 35 | Expired |
| US6097080A | Semiconductor device having magnetic shield layer circumscribing the device | Electricity | 31 | Expired |
| US5815396A | Vacuum processing device and film forming device and method using same | Electricity | 29 | Expired |
| US5206760A | Multiprojection apparatus | Electricity | 26 | Expired |
| US5707500A | Vacuum processing equipment, film coating equipment and deposition method | Electricity | 25 | Expired |
| US5677779A | Optical communications module | Electricity | 24 | Expired |
| US4352899A | Coating composition for metal-substrate | Chemistry; Metallurgy | 23 | Expired |
| US4012559A | Radiation curable coating composition and precoated metal having top coat based on the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5065011A | Photodetector module for coupling with optical fiber | Physics | 22 | Expired |
| US7280844B2 | Wristwatch type cellular phone | Electricity | 21 | Expired |
| US5023447A | Photo-semiconductor module employing semi-spherical lens to enhance detection | Electricity | 18 | Expired |
| US5705963A | LC element comprising a reverse biased pn junction | Electricity | 16 | Expired |
| US5280389A | Ball lens assembly | Physics | 16 | Expired |
| US4246582A | Full duplex transceiver comprising hybrid coil and automatic impedance adjustment means | Electricity | 16 | Expired |
| US5295349A | Introduction device for a spinning apparatus | Textiles; Paper | 15 | Expired |
| US7076272B2 | Pen-shaped cellular phone | Electricity | 14 | Expired |
| US5618498A | Method for brazing heat resisting alloy having on its surface insulating oxide film and preheat type metallic carrier for purification of exhaust gas and process for producing the same | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.