Masayoshi Takemi
21Patents
7h-index
23Co-inventors
65Inventor score
Filing activity: Nov 12, 1993 → Jul 13, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5782979A | Substrate holder for MOCVD | Chemistry; Metallurgy | 513 | Expired |
| US5800622A | Vapor-phase growth apparatus and compound semiconductor device fabricated thereby | Electricity | 34 | Expired |
| US5539763A | Semiconductor lasers and methods for fabricating semiconductor lasers | Physics | 26 | Expired |
| US5872022A | Method for etching a semiconductor method for fabricating semiconductor device method for fabricating semiconductor laser and semiconductor laser | Electricity | 25 | Expired |
| US5530732A | Method and apparatus for evaluating thin-film multilayer structure | Physics | 21 | Expired |
| US5728215A | Method for forming a film by selective area MOCVD growth | Chemistry; Metallurgy | 15 | Expired |
| US5383216A | Semiconductor laser with light modulator | Electricity | 8 | Expired |
| US5748659A | Semiconductor laser device | Electricity | 5 | Expired |
| US7590158B2 | Semiconductor laser having an improved window layer and method for the same | Electricity | 3 | Active |
| US7436870B2 | Semiconductor laser device and method for manufacturing the same | Electricity | 3 | Expired |
| US5805629A | Semiconductor laser | Electricity | 2 | Expired |
| US5394417A | Semiconductor laser producing visible light | Electricity | 2 | Expired |
| US7923742B2 | Method for production of a nitride semiconductor laminated structure and an optical semiconductor device | Electricity | 1 | Active |
| US7061963B2 | Semiconductor laser device | Electricity | 1 | Expired |
| US7763486B2 | Method for manufacturing nitride semiconductor stacked structure and semiconductor light-emitting device | Electricity | 1 | Active |
| US7825012B2 | Method for manufacturing nitride semiconductor device | Electricity | 1 | Active |
| US7298769B2 | Semiconductor laser | Electricity | 1 | Expired |
| US7564076B2 | Semiconductor device and manufacturing method therefor | Electricity | 0 | Active |
| US7394114B2 | Semiconductor device and manufacturing method therefor | Electricity | 0 | Active |
| US7632695B2 | Semiconductor device manufacturing method | Electricity | 0 | Active |
| US7172429B2 | Method of manufacturing semiconductor light emitting device | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.