Kozo Sakamoto
Inventor
Stats
- 19 US patents issued
- 23 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 19 US Patents Issued
- 23 US Applications Filed
- 909 Total Citation Count
- Mar 19, 2009 Most Recent Filing
- Jan 28, 1993 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| HITACHI, LTD. | 1
1 3 1 7 2 1 | 1993
1998 2000 2002 2007 2008 2009 |
| EPSON TOYOCOM CORPORATION | 2
| 2004
|
| RENESAS ELECTRONICS CORPORATION | 1
1 1 1 1 2 2 2 4 | 1994
1995 1996 1997 1999 2001 2002 2003 2004 |
| HITACHI VLSI ENGINEERING CORP. | 1
| 1993
|
| HITACHI ULSI ENGINEERING CORP. | 1
| 1994
|
Inventor Addresses
| Address | Duration |
|---|---|
| Hachioji, JP | May 13, 97 - May 13, 97 |
| Hachiouji, JP | Jun 24, 97 - Jun 24, 97 |
| Hechiouji, JP | Jun 10, 97 - Jun 10, 97 |
| Hitachi, JP | Jun 12, 01 - Nov 27, 01 |
| Hitachinaka, JP | Jul 18, 02 - Aug 13, 13 |
| Hitachinaka-shi, JP | Jun 28, 01 - Jun 28, 01 |
| Takasaki, JP | May 02, 00 - May 07, 02 |
| Takasaki-shi, JP | Jul 19, 01 - Jul 19, 01 |
| Tokyo, JP | May 11, 99 - May 31, 11 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G05F: | SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES | 3 |
| H01L: | SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR | 14 |
| H01M: | PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 8508258 | 2013 | Driver circuit for switching device | 14 |
| 7952339 | 2011 | Semiconductor circuit | 2 |
| 7671462 | 2010 | Power semiconductor device | 2 |
| 2009/0179,321 | 2009 | POWER SEMICONDUCTOR DEVICE | 18 |
| 7557637 | 2009 | Semiconductor circuit | 15 |
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