Tetsuji Ishikawa

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing ribbon roll
- Patent number 6,033,508
- Issue date Mar 7, 2000
- Sony Chemicals Corp.
- Yoshimasa Taniguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Roll, roll production apparatus and method for producing roll
- Publication number 20050155701
- Publication date Jul 21, 2005
- SONY CHEMICALS CORP.
- Tetsuji Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Roll production apparatus
- Publication number 20050139098
- Publication date Jun 30, 2005
- SONY CHEMICALS CORP.
- Tetsuji Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Roll, roll production apparatus and method for producing roll
- Publication number 20010053430
- Publication date Dec 20, 2001
- SONY CHEMICALS CORP.
- Tetsuji Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS