Naoki Matsui
47Patents
12h-index
89Co-inventors
84Inventor score
Filing activity: Mar 5, 1990 → Jan 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5874932A | Plasma display device | Physics | 73 | Expired |
| US6222512A | Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device | Physics | 49 | Expired |
| US6636187B2 | Display and method of driving the display capable of reducing current and power consumption without deteriorating quality of displayed images | Physics | 47 | Expired |
| US6249265A | Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device | Physics | 43 | Expired |
| US6144349A | Plasma display device | Physics | 22 | Expired |
| US5898414A | Display method for intermediate gray scale and display apparatus for expressing intermediate gray scale | Electricity | 22 | Expired |
| US6545395B2 | Piezoelectric conversion element having an electroded surface with a non-electrode surface portion at an end thereof | Electricity | 21 | Expired |
| US6042219A | Ink-jet recording head | Performing Operations; Transporting | 20 | Expired |
| US6142607A | Ink-jet recording head | Performing Operations; Transporting | 17 | Expired |
| US6522314B1 | Flat display panel having internal power supply circuit for reducing power consumption | Physics | 16 | Expired |
| US6107978A | Plasma display having variable scan line pulses to reduce flickering | Physics | 13 | Expired |
| US6305791A | Ink-jet recording device | Performing Operations; Transporting | 12 | Expired |
| US6278222A | Piezoelectric element, piezoelectric element manufacturing method and actuator using piezoelectric element | Electricity | 7 | Expired |
| US6838048B2 | Steel for machine structural use and method of producing same | Chemistry; Metallurgy | 7 | Expired |
| US6171413A | Soft cold-rolled steel sheet and method for making the same | Chemistry; Metallurgy | 5 | Expired |
| US6334672B1 | Inkjet recording head having a driving source attached by a chamfered adhesive layer | Performing Operations; Transporting | 5 | Expired |
| US6982749B2 | Remote control camera system and image transmission method | Electricity | 4 | Expired |
| US5182074A | Apparatus for continuously cooling metal strip | Chemistry; Metallurgy | 4 | Expired |
| US7068264B2 | Flat display panel having internal power supply circuit for reducing power consumption | Physics | 4 | Expired |
| US5081857A | Cold rolling method using cleaning brushes for at least the back up rolls | Performing Operations; Transporting | 3 | Expired |
| US6797231B2 | Steel for machine structural use | Chemistry; Metallurgy | 3 | Expired |
| US6059395A | Inkjet recording head | Performing Operations; Transporting | 3 | Expired |
| US9994943B2 | Rolled steel bar for hot forging, hot-forged section material, and common rail and method for producing the same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10764449B2 | Maintenance system for performing maintenance of image forming apparatus | Electricity | 2 | Active |
| US10976564B2 | Isolator, light source device, optical transmitter, and optical amplifier | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.