| 9016588 |
Wireless IC tag |
— |
2015-04-28 |
| 8957764 |
Data writing apparatus writing data to wireless IC tags |
Shigeo Azhizawa |
2015-02-17 |
| 8947208 |
IC tag searching apparatus |
Shigeo Ashizawa |
2015-02-03 |
| 8797147 |
Upright type apparatus for charging wireless IC tags |
Shigeo Ashizawa |
2014-08-05 |
| 8514060 |
Wireless identification tag |
Shigeo Ashizawa |
2013-08-20 |
| 8405493 |
Apparatus for embedding wireless IC tags |
Shigeo Ashizawa |
2013-03-26 |
| 8149121 |
Wireless identification tag |
Shigeo Ashizawa, Yasuo Kano |
2012-04-03 |
| 7804406 |
Quality control system of concrete and cement products using wireless IC tag |
Shigeo Ashizawa, Yasuo Kano |
2010-09-28 |
| 6909197 |
Cement distributing vehicle |
Haruo Kaga, Kenji Umeda, Takeyoshi Hirai, Shunsaku Wakabayashi |
2005-06-21 |
| 6826448 |
Cement distribution system |
Haruo Kaga, Kenji Umeda, Takeyoshi Hirai, Shunsaku Wakabayashi |
2004-11-30 |
| 6024791 |
Molded bodies of cement type admixed and kneaded material having excellent bending strength and compression strength and a method of manufacturing the same |
Hiroki Sonoda, Tatsuo Nitta, Masakazu Toyama, Seihachi Osawa, Kazumi Kato |
2000-02-15 |
| 4795263 |
Method of producing concrete |
— |
1989-01-03 |