Tomofumi Yamashita
Inventor
Stats
- 14 US patents issued
- 20 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 14 US Patents Issued
- 20 US Applications Filed
- 214 Total Citation Count
- Apr 16, 2015 Most Recent Filing
- Sep 14, 1999 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| RICOH COMPANY, LTD. | 2
2 2 2 1 | 2006
2007 2008 2014 2015 |
| NSK LTD. | 1
4 4 2 2 2 5 1 1 | 1999
2002 2003 2005 2006 2008 2011 2012 2015 |
Inventor Addresses
| Address | Duration |
|---|---|
| Fujisawa, JP | Mar 25, 08 - Aug 22, 17 |
| Fujisawa-shi, JP | Oct 04, 12 - Oct 08, 15 |
| Fujisawa-shi, Kanagawa, JP | Jul 21, 05 - Jul 21, 05 |
| Hiratsuka, JP | Jul 15, 03 - Jun 07, 05 |
| Hiratsuka-shi, JP | Oct 16, 03 - Oct 16, 03 |
| Kanagawa, JP | Aug 22, 02 - Jun 18, 15 |
| Saga, JP | Mar 01, 07 - Jun 20, 17 |
| Takeo City, JP | Oct 04, 07 - Oct 04, 07 |
| Takeo, JP | Aug 19, 14 - Aug 19, 14 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B21J: | FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES | 2 |
| B21K: | MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS | 3 |
| B41J: | TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 9737926 | 2017 | Ball screw and manufacturing method of nut for ball screw | 2 |
| 9685873 | 2017 | Power supply device, image forming device, and electronic appliance | 0 |
| 2016/0065,076 | 2016 | POWER SUPPLY DEVICE, IMAGE FORMING DEVICE, AND ELECTRONIC APPLIANCE | 3 |
| 2015/0311,805 | 2015 | POWER SUPPLY DEVICE, IMAGE FORMING APPARATUS, LASER DEVICE, LASER IGNITION DEVICE, AND ELECTRONIC DEVICE | 6 |
| 2015/0283,600 | 2015 | BALL SCREW AND MANUFACTURING METHOD OF NUT FOR BALL SCREW | 2 |
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