Issued Patents All Time
Showing 326–350 of 372 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633261 | Antenna and wireless device incorporating the same | Hiroshi Iwai, Koichi Ogawa, Shinji Kamaeguchi, Tsukasa Takahashi, Kenichi Yamada | 2003-10-14 |
| 6600455 | M-shaped antenna apparatus provided with at least two M-shaped antenna elements | Hiroshi Iwai, Koichi Ogawa | 2003-07-29 |
| 6538618 | Antenna | Hiroshi Iwai, Koichi Ogawa | 2003-03-25 |
| 6531067 | Method for forming contact hole | Nagamasa Shiokawa | 2003-03-11 |
| 6486847 | Monopole antenna | Toshimitsu Matsuyoshi, Koichi Ogawa | 2002-11-26 |
| D456399 | Image data and information terminal | Masaki Shimamura, Minoru Shimizu | 2002-04-30 |
| 6346683 | Vacuum interrupter and vacuum switch thereof | Tsutomu Okutomi, Takashi Kusano, Iwao Ohshima, Mitsutaka Homma, Takanobu Nishimura | 2002-02-12 |
| 6329300 | Method for manufacturing conductive pattern layer by two-step wet etching process | — | 2001-12-11 |
| 6320542 | Patch antenna apparatus with improved projection area | Toshimitsu Matsuyoshi, Koichi Ogawa | 2001-11-20 |
| 6303076 | Contact material for contacts for vacuum interrupter and method of manufacturing the contact | Takashi Kusano, Tsutomu Okutomi, Tsuneyo Seki, Makoto Kataoka | 2001-10-16 |
| 6270483 | Liquid discharge regulator and liquid feeder equipped with the same | Keiichi Yamada, Mitsuyoshi Inoue, Hajime Nakazawa, Tatsuji Higashi | 2001-08-07 |
| 6231539 | Backflow prevention structure and a backflow prevention unit for a liquid medicine injection device | Mitsuyoshi Inoue, Yasuo Komatsu | 2001-05-15 |
| 6210809 | Contact material | Tsutomu Okutomi, Iwao Ohshima, Tsuneyo Seki, Mitsutaka Homma, Takashi Kusano | 2001-04-03 |
| 6188366 | Monopole antenna | Toshimitsu Matsuyoshi, Koichi Ogawa | 2001-02-13 |
| 6121326 | Substituted alkyltetraamine derivatives | Ko Nakamura, Masanori Otsuka | 2000-09-19 |
| 6107582 | Vacuum valve | Tsutomu Okutomi, Mitsutaka Homma, Tsuneyo Seki, Takashi Kusano, Hiromichi Somei | 2000-08-22 |
| 6027821 | Contact material for vacuum interrupter and method for producing the same | Tsuneyo Seki, Takashi Kusano, Tsutomu Okutomi | 2000-02-22 |
| 6024896 | Contacts material | Tsutomu Okutomi, Tsuneyo Seki, Tadaaki Sekiguchi | 2000-02-15 |
| 5972068 | Contact material for vacuum valve | Tsuneyo Seki, Takashi Kusano, Tsutomu Okutomi | 1999-10-26 |
| 5882448 | Contact material for vacuum valve and method of manufacturing the same | Tsuneyo Seki, Tsutomu Okutomi, Takashi Kusano | 1999-03-16 |
| 5799353 | Toothbrush | Kazumi Oishi | 1998-09-01 |
| 5726407 | Contact electrode for vacuum interrupter | Tsutomu Okutomi, Tsuneyo Seki | 1998-03-10 |
| 5698008 | Contact material for vacuum valve and method of manufacturing the same | Tsuneyo Seki, Tsutomu Okutomi, Takashi Kusano | 1997-12-16 |
| D387206 | toothbrush head | Kazumi Oishi | 1997-12-09 |
| 5687472 | Method of manufacturing a vacuum interrupter | Mitsutaka Honma, Hiromichi Somei, Tadahiro Aihara, Tsuneyo Seki | 1997-11-18 |