Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12096944 | Hemostatic device | Yo Higashi | 2024-09-24 |
| 8480176 | Headrest for dental treatment chair and dental treatment chair | — | 2013-07-09 |
| 7902959 | Radio communication system of water heater | Keiji Kato | 2011-03-08 |
| 7714713 | Relay apparatus | Keiji Kato | 2010-05-11 |
| 7032567 | Control apparatus and method for internal combustion engine having variable valve system | Makoto Ogiso | 2006-04-25 |
| 7028652 | Device for controlling an internal combustion engine with a variable valve timing system | Yoshihiro Iwashita, Shigeo Kikori, Kazuhiko Shiratani, Shouji Katsumata, Keiji Yoeda +2 more | 2006-04-18 |
| 6973900 | Valve drive system and method | Keiji Yoeda | 2005-12-13 |
| 6729126 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida +3 more | 2004-05-04 |
| 6532160 | Switching power supply | Masahiko Hirokawa, Yasuhiro Murai | 2003-03-11 |
| 6519933 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida +3 more | 2003-02-18 |
| 6446588 | Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism | Isao Matsumoto, Kazuhiko Shiratani, Shouji Katsumata, Keiji Yoeda, Hideyuki Nishida | 2002-09-10 |
| 6405693 | Internal combustion engine and method for controlling valve of internal combustion engine | Keiji Yoeda, Kiyoshi Nakanishi, Yoshihiro Iwashita, Kazuhiko Shiratani, Shouji Katsumata +4 more | 2002-06-18 |