Takuo Tsuzuki
Inventor
Stats
- 7 US patents issued
- 7 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 7 US Patents Issued
- 7 US Applications Filed
- 340 Total Citation Count
- May 27, 1999 Most Recent Filing
- Mar 12, 1991 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| HITACHI, LTD. | 1
2 2 1 1 | 1991
1993 1995 1996 1999 |
| HITACHI COMMUNICATION SYSTEMS, INC. | 1
1 1 | 1993
1995 1996 |
| HITACHI SOFTWARE ENGINEERING CO., LTD. | 2
2 1 | 1993
1995 1996 |
| HITACHI MICROCOMPUTER SYSTEM LTD. | 1
| 1991
|
Inventor Addresses
| Address | Duration |
|---|---|
| Chiba-ken, JP | Jan 21, 03 - Jan 21, 03 |
| Hiratsuka, JP | Jul 18, 95 - Sep 29, 98 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G01S: | RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES | 2 |
| G06F: | ELECTRIC DIGITAL DATA PROCESSING | 1 |
| H04M: | TELEPHONIC COMMUNICATION | 4 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6510556 | 2003 | Video distributing apparatus and video distributing system | 110 |
| 5815564 | 1998 | System for connecting an incoming call to a selected one of a number of extensions | 1 |
| 5563940 | 1996 | System for connecting an incoming call to a selected one of a number of extensions | 11 |
| 5541992 | 1996 | System for connecting an incoming call to a selected one of a number of extensions | 8 |
| 5519874 | 1996 | Application execution control method and system for servicing subscribers via a switchboard connected to a computer using an application management table | 40 |
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