Hiroyuki Kurosawa

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Impact printer and ribbon cassette
- Patent number 5,618,118
- Issue date Apr 8, 1997
- Hitachi Koki Co., Ltd.
- Yoshikane Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of controlling an ink ribbon moving speed in a dot line printer
- Patent number 5,156,474
- Issue date Oct 20, 1992
- Hitachi Koki Co., Ltd.
- Hiroyuki Kurosawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dot line printer having ink ribbon guides
- Patent number 5,122,003
- Issue date Jun 16, 1992
- Hitachi Koki Co., Ltd.
- Yoshikane Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS