Inventor
Keiichi OSAKU
Inventor
JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G08Bprimary
G08BSignalling systems, e.g. personal calling systems20%
G10KSound-producing devices20%
G10LSpeech analysis techniques or speech synthesis20%
H04MTelephonic communication20%
H04NPictorial communication, e.g. television20%
PatentTitleYear
11,875,668Information transmission system using bell2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to KOIZUMI FACTORY CORP (1)· patent assignee history
2024Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOIZUMI FACTORY CORP | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 1 | 2024 |