Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9744500 | Microporous polymeric membranes, battery separators, and production methods therefor | Takeshi Ishihara, Koichi Kono, Donna J. Crowther, Patrick Brant, Kazuhiro Yamada | 2017-08-29 |
| 9502705 | Microporous film, methods for making such film, and use for such film as battery separator film | Patrick Brant, Takeshi Ishihara, Donna J. Crowther, Koichi Kono | 2016-11-22 |
| 9295950 | Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film | Takeshi Ishihara, Koichi Kono, Donna J. Crowther, Patrick Brant | 2016-03-29 |
| 9289728 | Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film | Takeshi Ishihara, Koichi Kono, Donna J. Crowther, Patrick Brant | 2016-03-22 |
| 9203071 | Multi-layer microporous film | Takeshi Ishihara | 2015-12-01 |
| 9136517 | Microporous film, process for production of the film, and use of the film | Takeshi Ishihara, Koichi Kono, Patrick Brant | 2015-09-15 |
| 8951677 | Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film | Takeshi Ishihara, Koichi Kono, Patrick Brant | 2015-02-10 |
| 8846253 | Microporous membranes, methods for making these membranes, and the use of these membranes as battery separator films | Takeshi Ishihara, Koichi Kono, Patrick Brant | 2014-09-30 |
| 8841032 | Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film | Takeshi Ishihara | 2014-09-23 |
| 8709641 | Microporous membranes and methods for producing and using such membranes | Takeshi Ishihara, Koichi Kono, Donna J. Crowther, Patrick Brant, Kazuhiro Yamada | 2014-04-29 |
| 8338020 | Multi-layer microporous film | Takeshi Ishihara, Koichi Kono, Patrick Brant | 2012-12-25 |
| D406152 | Excavator | Katsuji Yano | 1999-02-23 |
| 5081838 | Hydraulic circuit with variable relief valves | Masaaki Tachinoh | 1992-01-21 |
| 5067321 | Hydraulic hoisting circuit with electrical control for relief valve adjustment pilot and pilot disable valve | — | 1991-11-26 |
| 5063741 | Engine-speed responsive cavitation preventing system | — | 1991-11-12 |
| 5040428 | Swing reduction gear assembly | Shingo Kobayashi | 1991-08-20 |
| 5005466 | Cavitation-preventing pilot valve control system for power shovel hydraulic circuit | — | 1991-04-09 |
| 4990842 | Operation control method and device for construction machine | — | 1991-02-05 |
| 4986165 | Hydraulic shovel control circuit with operating pattern switching valve | — | 1991-01-22 |