Inventor
Michio Ikeuchi
Inventor
Nara, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Qprimary
H04QSelecting50%
H04NPictorial communication, e.g. television25%
H03DDemodulation or transference of modulation from one carrier to another13%
H04MTelephonic communication13%
PatentTitleYear
5,757,513'Signal discrimination circuit'19985,592,544'DTMF signal judging apparatus'19975,588,052'DTMF signal judging apparatus'19965,428,680'DTMF signal receiving apparatus equipped with a DTMF signal judging circuit'19955,343,420'Signal discrimination circuit'19945,068,876'Phase shift angle detector'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1998Patents assigned to SHARP KK (6)· patent assignee history
1991–1998Based in Nara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 6 | 1991–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nara, JP | 6 | 1991–1998 |