Hieda Katsuhiko

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Wappingers Falls, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Photolithographic alignment marks based on circuit pattern feature
- Patent number 5,917,205
- Issue date Jun 29, 1999
- Kabushiki Kaisha Toshiba
- Tadashi Mitsui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dynamic semiconductor memory device with higher density bit line/wo...
- Patent number 5,747,844
- Issue date May 5, 1998
- Kabushiki Kaisha Toshiba
- Masami Aoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Random access memory device with trench-type one-transistor memory...
- Patent number 5,736,760
- Issue date Apr 7, 1998
- Kabushiki Kaisha Toshiba
- Katsuhiko Hieda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plurality of photolithographic alignment marks with shape, size and...
- Patent number 5,702,567
- Issue date Dec 30, 1997
- Kabushiki Kaisha Toshiba
- Tadashi Mitsui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dynamic semiconductor memory device with higher density bit line/wo...
- Patent number 5,578,847
- Issue date Nov 26, 1996
- Kabushiki Kaisha Toshiba
- Masami Aoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Random access memory device with trench-type one-transistor memory...
- Patent number 5,508,541
- Issue date Apr 16, 1996
- Kabushiki Kaisha Toshiba
- Katsuhiko Hieda
- H01 - BASIC ELECTRIC ELEMENTS