Inventor
Keizaburo Sasaki
Inventor
Kanagawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
H04WWireless communication networks25%
G06FElectric digital data processing13%
H04MTelephonic communication13%
PatentTitleYear
7,680,122'Communication method for data communication based on point-to-point protocol'20107,260,107'PPP data conversion apparatus and method'20076,898,640'Communication system for mobile devices'20056,799,300'Document processor'20046,708,200'Communication system and communication method'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2010Patents assigned to NTT DOCOMO INC (5)· patent assignee history
2004Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
2004Patents assigned to MATSUSHITA COMM IND CO LTD (1)· patent assignee history
2004Patents assigned to PANASONIC MOBILE COMM CO LTD (1)· patent assignee history
2004–2007Based in Kanagawa, JP· patent location history
2010Based in Yokosuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NTT DOCOMO INC | 5 | 2004–2010 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 2 | 2004 |
| MATSUSHITA COMM IND CO LTD | 1 | 2004 |
| PANASONIC MOBILE COMM CO LTD | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 4 | 2004–2007 |
| Yokosuka, JP | 1 | 2010 |