Ohtsuka; Nobuaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ohtsuka; Nobuaki.The latest application filed is for "nonvolatile semiconductor memory with a protect circuit".

Company Profile

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Ohtsuka; Nobuaki - Kawasaki JP
Ohtsuka; Nobuaki - Menlo Park CA
Ohtsuka; Nobuaki - Yokohama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Nonvolatile semiconductor memory with a protect circuit Grant 5,917,750 - Miyakawa , et al. June 29, 1	1999-06-29
Level-shift circuit for driving word lines of negative gate erasable type flash memory Grant 5,825,205 - Ohtsuka October 20, 1	1998-10-20
Nonvolatile semiconductor memory device Grant 5,412,609 - Ohtsuka , et al. May 2, 1	1995-05-02
Bias voltage generating circuit Grant 5,296,801 - Ohtsuka , et al. March 22, 1	1994-03-22
Semiconductor nonvolatile memory device for controlling the potentials on bit lines Grant 5,229,963 - Ohtsuka , et al. July 20, 1	1993-07-20
Nonvolatile semiconductor memory having a stress test circuit Grant 4,999,813 - Ohtsuka , et al. March 12, 1	1991-03-12
Reference setting circuit for determining written-in content in nonvolatile semiconductor memories Grant 4,951,257 - Imamiya , et al. August 21, 1	1990-08-21
Nonvolatile semiconductor memory having page mode programming function Grant 4,943,962 - Imamiya , et al. July 24, 1	1990-07-24
Nonvolatile semiconductor memory Grant 4,825,271 - Tanaka , et al. April 25, 1	1989-04-25
Nonvolatile semiconductor memory device with a lightly-doped drain structure Grant 4,788,663 - Tanaka , et al. November 29, 1	1988-11-29

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