Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074763 | Solar cell | Koichi Hirose, Kunihiro Kawamoto | 2018-09-11 |
| RE41944 | Method for manufacturing noble metal electric discharge chips for spark plugs | Wataru Matsutani, Osamu Yoshimoto | 2010-11-23 |
| 7663296 | Spark plug for internal combustion engine | Iwao Kunitomo, Hironobu Mizutani | 2010-02-16 |
| 7528534 | Spark plug | Hiroaki Kuki, Akira Suzuki, Kazuhiko Mori | 2009-05-05 |
| 7382084 | Spark plug having a precious metal tip | Osamu Yoshimoto, Wataru Matsutani, Kenji Nunome | 2008-06-03 |
| 7336024 | Spark plug | Osamu Yoshimoto | 2008-02-26 |
| 7288879 | Spark plug having ground electrode including precious metal alloy portion containing first, second and third components | Wataru Matsutani, Osamu Yoshimoto | 2007-10-30 |
| 7279827 | Spark plug with electrode including precious metal | Kenji Nunome, Osamu Yoshimoto, Wataru Matsutani | 2007-10-09 |
| 7131191 | Method for manufacturing noble metal electric discharge chips for spark plugs | Wataru Matsutani, Osamu Yoshimoto | 2006-11-07 |
| 6940532 | Information processing apparatus, display control method and storage medium | Nobuhito Fukui | 2005-09-06 |
| 6923699 | Method of making a spark plug | Shinichi Hiramatsu, Masahiro Ishikawa, Kazumi Kawamura | 2005-08-02 |
| 6845363 | POS terminal, method of controlling the POS terminal, POS system using the POS terminal, and information storage medium | Yukihiro Mikami, Chris Belk | 2005-01-18 |
| 6819032 | Spark plug having resistance against smoldering, long lifetime, and excellent ignitability | — | 2004-11-16 |
| 6724133 | Spark plug with nickel alloy electrode base material | Naomichi Miyashita, Wataru Matsutani, Masayuki Segawa, Hiroaki Kuki, Mamoru Musasa | 2004-04-20 |
| 6628050 | Spark plug | Hiroyuki Kameda | 2003-09-30 |
| 6617706 | Ignition system | Akio Kokubu, Kazumasa Yoshida, Makoto Yamaguchi, Kazuya Iwata, Shoichiro Ito +1 more | 2003-09-09 |
| 6564786 | Apparatus and method for controlling ignition of an internal combustion engine | Hiroyuki Kameda | 2003-05-20 |
| 6536406 | Ignition system for internal combustion engine | Kenji Ishida | 2003-03-25 |
| 6472801 | Spark plug with a corrosion impeding layer | Shoichiro Ito, Yuji Hirano, Naomichi Miyashita, Hiroaki Kuki | 2002-10-29 |
| 6464146 | Method of inputting information about a card, apparatus for processing information about a card, and computer product | Toshiyuki Ito, Susumu Terasaka | 2002-10-15 |
| 6335587 | Spark plug | — | 2002-01-01 |
| 6326720 | Spark plug and ignition system for use with internal combustion engine | Shoichiro Ito | 2001-12-04 |
| 6281682 | Sensor for detecting ignition current and ion current in ignition secondary circuit | Hiroyuki Kameda | 2001-08-28 |
| 6244247 | Ignition device for internal combustion engines | Akio Kokubu, Kazumasa Yoshida, Tetsusi Suzuki | 2001-06-12 |
| 6229253 | Spark plug with specific gap between insulator and electrodes | Kazuya Iwata, Takahiro Suzuki | 2001-05-08 |