Syouetsu Sakamoto

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency fluorescent lamp with low color rendering property
- Patent number 6,242,857
- Issue date Jun 5, 2001
- Matsushita Electric Industrial Co., Ltd.
- Kenjiro Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source
- Patent number 6,224,240
- Issue date May 1, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masanori Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source with only two major light emitting bands
- Patent number 6,153,971
- Issue date Nov 28, 2000
- Matsushita Electric Industrial Co., Ltd.
- Masanori Shimizu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...