Yoji Okazaki
120Patents
20h-index
74Co-inventors
93Inventor score
Filing activity: Apr 8, 1986 → Apr 28, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7181105B2 | Method for adjusting alignment of laser beams in combined-laser-light source where the laser beams are incident on restricted area of light-emission end face of optical fiber | Physics | 109 | Expired |
| US6717106B2 | Laser sintering apparatus | Electricity | 48 | Expired |
| US6900916B2 | Color laser display apparatus having fluorescent screen scanned with modulated ultraviolet laser light | Electricity | 42 | Expired |
| US4830447A | Optical wavelength conversion device | Physics | 39 | Expired |
| US7062311B1 | Fluorescence observing apparatus | Physics | 36 | Expired |
| US6490309B1 | Laser-diode-pumped laser apparatus in which Pr3+-doped laser medium is pumped with GaN-based compound laser diode | Electricity | 33 | Expired |
| US7478547B2 | Drum washing machine | Textiles; Paper | 32 | Expired |
| US5446750A | Laser diode pumped solid laser | Electricity | 31 | Expired |
| US6960035B2 | Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method | Electricity | 31 | Expired |
| US4758062A | Light beam scanning apparatus, and read-out apparatus and recording apparatus using same | Physics | 30 | Expired |
| US7006887B2 | Optical modeling method | Performing Operations; Transporting | 28 | Expired |
| US5848092A | Laser-diode-pumped solid state laser and method of manufacturing the same | Electricity | 28 | Expired |
| US6975659B2 | Laser diode array, laser device, wave-coupling laser source, and exposure device | Electricity | 25 | Expired |
| US4838638A | Optical wavelength conversion device | Physics | 24 | Expired |
| US5187714A | Laser-diode-pumped solid-state laser | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5287381A | Laser-diode-pumped solid-state laser | Electricity | 23 | Expired |
| US7048528B2 | Exposure head, exposure apparatus, and application thereof | Electricity | 23 | Expired |
| US6764183B2 | Color laser display employing excitation solid laser unit, fiber laser unit, or semi conductor laser unit | Electricity | 22 | Expired |
| US4893888A | Optical wavelength converter device | Physics | 21 | Expired |
| US7095921B2 | Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method | Electricity | 20 | Expired |
| US7121740B2 | Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method | Electricity | 19 | Expired |
| US5436757A | Optical wavelength converting apparatus | Physics | 19 | Expired |
| US4923277A | Optical wavelength converter device | Physics | 19 | Expired |
| US6922288B2 | Laser multiplexing apparatus | Physics | 18 | Expired |
| US4909595A | Optical wavelength conversion method and optical wavelength converter module | Physics | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.