Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8573247 | Flow-rate controller, and regulator unit and valve unit used for the same | Hiroki Igarashi, Masahiro Hasunuma | 2013-11-05 |
| 8292262 | Flow control valve | Masahiro Hasunuma | 2012-10-23 |
| 8172199 | Valve control apparatus and flow rate controller | Atsutoshi Nakamura | 2012-05-08 |
| 7891256 | Differential-pressure flow meter having a main control board in a space in a base member | Hiroki Igarashi | 2011-02-22 |
| 7726204 | Heat signal writing device | Hiroshi Imai, Keiichi Matsushima | 2010-06-01 |
| 7637152 | Flow meter and flow-regulating system using the same | Hiroki Igarashi, Masahiro Hasunuma | 2009-12-29 |
| 7610817 | Orifice member, and differential-pressure flow meter and flow-regulating apparatus using the same | Hiroki Igarashi, Masahiro Hasunuma | 2009-11-03 |
| 7471269 | Method for driving electroluminescence display panel with selective preliminary charging | Makoto Kouno, Eitaro Nishigaki | 2008-12-30 |
| 7348972 | Display panel driving apparatus having efficient oscillators | — | 2008-03-25 |
| 7268778 | Apparatus for driving display panel with effective DC-DC converters | — | 2007-09-11 |
| 6791277 | Light emitting element and production process thereof | Jun Funaki, Satoshi Miyaguchi, Yoshiyuki Okuda, Masami Tsuchida | 2004-09-14 |
| 6552703 | Display apparatus of capacitive light emitting devices | — | 2003-04-22 |
| 6229267 | Display apparatus with capacitive light-emitting devices and method of driving the same | Yoshiyuki Okuda | 2001-05-08 |