ISHIGURO; Shigefumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHIGURO; Shigefumi.The latest application filed is for "semiconductor device and protection circuit".

Company Profile

0.6.6

ISHIGURO; Shigefumi - Yokohama Kanagawa JP
Ishiguro; Shigefumi - Chigasaki JP
ISHIGURO; Shigefumi - Chigasaki-shi 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
Semiconductor Device And Protection Circuit App 20220285934 - ISHIGURO; Shigefumi ; et al.	2022-09-08
Semiconductor memory device Grant 8,259,523 - Watanabe , et al. September 4, 2	2012-09-04
Semiconductor memory device Grant 8,223,569 - Hamano , et al. July 17, 2	2012-07-17
Semiconductor memory device having plurality of types of memories integrated on one chip Grant 8,189,424 - Uehara , et al. May 29, 2	2012-05-29
Semiconductor Memory Device App 20110013452 - WATANABE; Toshifumi ; et al.	2011-01-20
Semiconductor Memory Device App 20110013472 - HAMANO; Tomoyuki ; et al.	2011-01-20
Semiconductor Memory Device Having Plurality Of Types Of Memories Integrated On One Chip App 20090316494 - UEHARA; Kazuto ; et al.	2009-12-24
Semiconductor memory device with a noise filter and method of controlling the same Grant 7,606,083 - Hamano , et al. October 20, 2	2009-10-20
Semiconductor device having input detection circuit which operates in a synchronous operation and an asynchronous operation Grant 7,577,058 - Watanabe , et al. August 18, 2	2009-08-18
Semiconductor Memory Device With A Noise Filter And Method Of Controlling The Same App 20080253198 - Hamano; Tomoyuki ; et al.	2008-10-16
Semiconductor Device App 20080007303 - WATANABE; Toshifumi ; et al.	2008-01-10
Structure of electrically programmable read-only memory cells and redundancy signature therefor Grant 5,208,780 - Iwase , et al. May 4, 1	1993-05-04

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