Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831396 | Spark plug with glaze and marking | — | 2004-12-14 |
| 6822378 | Glaze layer for a spark plug | Makoto Sugimoto | 2004-11-23 |
| 6771009 | Spark plug | Yoshihide Kouge, Makoto Sugimoto | 2004-08-03 |
| 6765340 | Spark plug | Makoto Sugimoto | 2004-07-20 |
| 6752677 | Method for producing spark plug | Makoto Sugimoto | 2004-06-22 |
| 6744188 | Spark plug | Yoshihide Kouge | 2004-06-01 |
| 6727541 | Semiconductor memory device having a trench capacitor | — | 2004-04-27 |
| 6725221 | Image data transfer method and system therefor | Tatsuya Murakami, Yasuo Kurosu, Hiroshi Abei, Eiichi Hadano, Kazumasa Nagai +1 more | 2004-04-20 |
| 6590317 | Spark plug | Yoshihide Kouge, Makoto Sugimoto | 2003-07-08 |
| 6590318 | Spark plug having a reduced lead glaze layer on the insulator thereof | Makoto Sugimoto | 2003-07-08 |
| 6566792 | Spark plug | — | 2003-05-20 |
| 6334800 | Manufacturing method of resistor-incorporated spark plug | Yutaka Tanaka, Toshitaka Honda, Makoto Sugimoto | 2002-01-01 |
| 6208730 | Key top attachment structure | Kazuhiro Ikeda, Shuuichi Sugawara | 2001-03-27 |
| 6188166 | Spark plug having a metal layer in a terminal metal piece | Yutaka Tanaka | 2001-02-13 |
| 6160342 | Resistor-incorporated spark plug and manufacturing method of resistor-incorporated spark plug | Yutaka Tanaka, Toshitaka Honda, Makoto Sugimoto | 2000-12-12 |
| 6118411 | Loop antenna and antenna holder therefor | Yu Hasegawa, Nobutaka Mochizuki, Kazuhiro Ikeda, Syuuichi Sugawara | 2000-09-12 |
| 5934453 | Key top holding structure | Shuuichi Sugawara, Kazuhiro Ikeda | 1999-08-10 |
| 5898248 | Small motor holding device in individual calling receiver | Kazuhiro Ikeda, Shuuichi Sugawara | 1999-04-27 |
| 5859491 | Spark plug | Makoto Sugimoto | 1999-01-12 |
| 5761404 | Image-data managing apparatus | Tatsuya Murakami, Yasuo Kurosu, Eiichi Sato, Jun Nishiyama | 1998-06-02 |
| 5728852 | Method for producing monohydroxyalkylamides | Kazuhito Miyoshi, Yukiko Oshima, Hiroyuki Imoto | 1998-03-17 |
| 5565157 | Method of making a spark plug insulator | Makoto Sugimoto, Masahiro Konishi, Hiroyuki Tanabe | 1996-10-15 |
| 5508582 | Spark plug insulator for use in internal combustion engine | Makoto Sugimoto, Masahiro Konishi, Hiroyuki Tanabe | 1996-04-16 |
| 5258592 | Waterproof switch apparatus for electronic device | Takahiro Hayashi, Yoshimasa Kawabata | 1993-11-02 |
| 5181260 | Method for determining the amount of skew of image, method for correcting the same, and image data processing system | Yasuo Kurosu, Yoshihiro Yokoyama, Hidefumi Masuzaki, Masaaki Fujinawa | 1993-01-19 |