Hiroki Ishida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High density magnetic recording apparatus including a hologram type...
- Patent number 6,128,155
- Issue date Oct 3, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Naoto Sugawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus having a reduced thickness
- Patent number 6,055,122
- Issue date Apr 25, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Naoto Sugawara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
WAFER TEST SYSTEM, PROBE CARD REPLACING METHOD, AND PROBER
- Publication number 20240369623
- Publication date Nov 7, 2024
- TOKYO SEIMITSU CO., LTD.
- Akira YAMAGUCHI
- G01 - MEASURING TESTING