Issued Patents All Time
Showing 25 most recent of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11757261 | Ground electrode for spark plug and spark plug | Yuji KAJI, Naoto Hayashi | 2023-09-12 |
| 11685970 | Iridium alloy | Satoshi Hara, Kenta Terai, Shunsuke TAKEYA, Hayato Yasuhara | 2023-06-27 |
| 10897123 | Spark plug for internal combustion engine having a shaped composite chip on center electrode and/or ground electrode | — | 2021-01-19 |
| 10439367 | Ignition plug for an internal combustion engine and method for manufacturing the same | Masayuki Tamura, Masamichi Shibata | 2019-10-08 |
| 10323303 | Electrode material and electrode for ignition plug, and ignition plug | Hajime Ota, Kazuo Yamazaki, Naoki Sugihara | 2019-06-18 |
| 9373432 | Alcoholic solution and sintered magnet | Yuichi Satsu, Matahiro Komuro, Takayuki Kanda | 2016-06-21 |
| 9181918 | Assembly of spark plug and engine main body | — | 2015-11-10 |
| 9184570 | Spark plug for internal combustion engine of motor vehicles | Yuki Murayama, Yoshinori Doi, Toshiyuki Tomine, Shunsuke Yokota | 2015-11-10 |
| 9077158 | Spark plug for internal combustion engine | Yuki Murayama, Yoshinori Doi, Toshiyuki Tomine | 2015-07-07 |
| 9041275 | Spark plug for internal combustion engine and method of manufacturing the same | Yuki Murayama | 2015-05-26 |
| 8884504 | Spark plug for internal combustion engines and mounting structure for the spark plug | Ken Hanashi | 2014-11-11 |
| 8864375 | Temperature sensor | Tsunenobu Hori, Masatoshi Kuroyanagi | 2014-10-21 |
| 8838264 | Mold designing apparatus, mold designing method, mold designing system and mold designing program | Koichi Sato, Takeshi Tajima, Toshio Tanahashi | 2014-09-16 |
| 8425114 | Temperature sensor | Tsunenobu Hori, Masatoshi Kuroyanagi | 2013-04-23 |
| 8335973 | Processing module, error correction decoding circuit, and processing method for error locator polynomial | — | 2012-12-18 |
| 8245103 | Arithmetic circuit for concatenated codes and address control method | — | 2012-08-14 |
| 7234429 | Spark plug with increased durability | Yasushi Kawashima, Tsunetoshi Goto | 2007-06-26 |
| 7033150 | Hermetic type compressor | Tsutomu Nozaki, Kensuke Kato, Takeo Watanabe | 2006-04-25 |
| 7015633 | Spark plug | Hiroaki Makino | 2006-03-21 |
| 6846214 | Method of manufacturing a spark plug for an internal combustion engine | Tsunetoshi Gotou | 2005-01-25 |
| 6718864 | Closed compressor | Gen Konno | 2004-04-13 |
| 6692375 | Golf club | — | 2004-02-17 |
| 6599100 | Closed type motor-operated compressor | Yoshihiro Sasaki, Kazuya Ishigami, Kazunori Morita, Masahiro Shimada | 2003-07-29 |
| 6478558 | Oscillating piston type compressor and method of manufacturing piston thereof | Toshio Yamanaka, Yukio Maeda, Kazuya Kato, Fumitaka Nishioka, Minoru Tateno +1 more | 2002-11-12 |
| 6358028 | Scroll compressor | Hidenari Takada, Koichi Sekiguchi, Toshio Yamanaka, Shoichi Nakashima | 2002-03-19 |