Inventor
ICHIKAWA KEI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS5258879ANov 2, 1993
Tracking error detection circuit of magnetic recording and reproduction apparatus for determining tracking error based on pilot signals recorded on a recording meedium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82
US5754356AMay 19, 1998
Tracking error detector with comparison of amplitude detected pilot signals leaking in from tracks adjacent to the target track
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US5455719AOct 3, 1995
Data recording method in which pilot signal period coincides with cumulative bit disparities of insert data
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5371604ADec 6, 1994
Apparatus for edit recording of a compressed digital video signal on a recording tape
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5594602AJan 14, 1997
Tracking error detecting circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US5477398ADec 19, 1995
Apparatus for editing data in a selected area on a track of a tape recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US5313338AMay 17, 1994
Editing device which selectively edits a section of a helical track
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
PANASONIC CORP
3 patentsOMRON TATEISI ELECTRONICS CO
3 patentsUS11237644B2Feb 1, 2022
Character input device, character input method, and character input program stored on computer-readable storage medium
OMRON TATEISI ELECTRONICS CO1 citations52
US11640502B2May 2, 2023
Word registration device, word registration method, and word registration program stored on computer-readable storage
OMRON TATEISI ELECTRONICS CO0 citations51
US10768713B2Sep 8, 2020
Character input device, character input method, and character input program
OMRON TATEISI ELECTRONICS CO0 citations40