Kako; Mitsumasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kako; Mitsumasa.The latest application filed is for "key switch device and portable electronic device provided with the key switch device".

Company Profile

0.8.2

Kako; Mitsumasa - Tokai JP
Kako, Mitsumasa - Tokai-shi JP
Kako; Mitsumasa - Toukai 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
Key switch operating mechanism assembly for electronic portable device Grant 6,812,420 - Kako , et al. November 2, 2	2004-11-02
Key switch device, keyboard and electronic apparatus with key switch Grant 6,753,793 - Kako , et al. June 22, 2	2004-06-22
Key switch device and portable electronic device provided with the key switch device App 20020139652 - Kako, Mitsumasa ; et al.	2002-10-03
Key switch device and portable electronic device provided with the key switch device App 20010047928 - Kako, Mitsumasa ; et al.	2001-12-06
Tape printing apparatus capable of inputting and printing graphics Grant 5,772,342 - Yamamoto , et al. June 30, 1	1998-06-30
Compact data input device having transparent touch panel Grant 5,706,030 - Ishigami , et al. January 6, 1	1998-01-06
Method and apparatus for inputting, displaying and printing images Grant 5,657,434 - Yamamoto , et al. August 12, 1	1997-08-12
Key switch device Grant 5,504,283 - Kako , et al. April 2, 1	1996-04-02
Keyboard having lower casing with integral upraised portion for supporting PC board, and key switch having air vent in PC board Grant 4,760,217 - Suzuki , et al. July 26, 1	1988-07-26
Capacitance switching device for keyboard Grant 4,736,076 - Mochizuki , et al. April 5, 1	1988-04-05

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