HIROFUMI IMAOKA

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KANAGAWA-KEN, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hologram color filter, production method of the same hologram color...
- Patent number 6,492,065
- Issue date Dec 10, 2002
- Victor Company of Japan, Limited
- Shintaro Nakagaki
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus having polarized beam splitters a...
- Patent number 6,174,060
- Issue date Jan 16, 2001
- Victor Company of Japan, Ltd.
- Hirofumi Imaoka
- G02 - OPTICS
Information Patent Grant
Color filter and color display apparatus
- Patent number 5,894,359
- Issue date Apr 13, 1999
- Victor Company of Japan, Ltd.
- Tetsuji Suzuki
- G02 - OPTICS
Information Patent Grant
Magnetic alloys for magnetic head
- Patent number 4,969,962
- Issue date Nov 13, 1990
- Victor Company of Japan, Ltd.
- Yasushi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head with an MR element
- Patent number 4,733,455
- Issue date Mar 29, 1988
- Victor Company of Japan, Limited
- Hiroshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and/or reproducing element
- Patent number 4,675,765
- Issue date Jun 23, 1987
- Victor Company of Japan, Ltd.
- Keiji Segawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING HOLOGRAM LENS, METHOD FOR PRODUCING HOLOGRAM C...
- Publication number 20010049061
- Publication date Dec 6, 2001
- SHINTARO NAKAGAKI
- G02 - OPTICS