Phosphor color wheel and projection display device including same
US-9453999-B2 · Sep 27, 2016 · US
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Osaka Akihiro patents
Osaka Akihiro holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Jan 20, 2015 |
| Latest publication | Sep 27, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Excitation light synthesizing unit, light source unit, and projection-type display apparatus
US-9411219-B2 · Aug 9, 2016 · US
Illumination optical system and projector using the same
US-9022580-B2 · May 5, 2015 · US
Illumination optical system and projector using the same
US-8936368-B2 · Jan 20, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Phosphor color wheel and projection display device including same
US-9453999-B2 · Sep 27, 2016 · US
Excitation light synthesizing unit, light source unit, and projection-type display apparatus
US-9411219-B2 · Aug 9, 2016 · US
Illumination optical system and projector using the same
US-9022580-B2 · May 5, 2015 · US
Illumination optical system and projector using the same
US-8936368-B2 · Jan 20, 2015 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 4 |
| Electricity | 3 |
| Mechanical Engineering | 1 |