Hitoshi Tamura

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color printing apparatus
- Patent number 7,301,669
- Issue date Nov 27, 2007
- Ricoh Printing Systems, Ltd.
- Toshiyuki Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information print system and image processing apparatus
- Patent number 6,204,933
- Issue date Mar 20, 2001
- Hitachi, Ltd.
- Eiji Yoshino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dot density conversion method and system
- Patent number 5,493,420
- Issue date Feb 20, 1996
- Hitachi, Ltd.
- Hideki Kuwamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Window management apparatus for a document creating apparatus
- Patent number 5,142,618
- Issue date Aug 25, 1992
- Hitachi, Ltd.
- Masaki Fujiwara
- G06 - COMPUTING CALCULATING COUNTING