Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926985 | Fuel cell stack | Yoshinori Wariishi, Masaharu Suzuki, Masaru Oda, Yosuke Fujii, Ichiro Baba | 2005-08-09 |
| 6872483 | Fuel cell stack, method of holding fuel cell stack under pressure, and separators | Seiji Sugiura, Naoyuki Enjoji, Narutoshi Sugita, Yoshinori Wariishi | 2005-03-29 |
| 6866959 | Fuel cell | Narutoshi Sugita, Yoshihiro Nakanishi, Tadashi Nishiyama, Keisuke Andou | 2005-03-15 |
| 6855448 | Fuel cell stack | Seiji Sugiura, Yoshinori Wariishi | 2005-02-15 |
| 6844093 | Fuel cell stacking body | Masahiko Sato, Toshiaki Ariyoshi, Yosuke Fujii, Daisuke Wachi | 2005-01-18 |
| 6841282 | Fuel cell | Narutoshi Sugita, Seiji Sugiura, Masajiro Inoue | 2005-01-11 |
| 6833210 | Fuel cell | Narutoshi Sugita, Seiji Sugiura, Hiroyuki Tanaka, Toshiya Wakahoi, Keisuke Andou | 2004-12-21 |
| 6815115 | Fuel cell and fuel cell stack | Narutoshi Sugita, Yoshihiro Nakanishi | 2004-11-09 |
| 6771041 | Cell voltage measuring device for fuel cell | Masahiko Sato, Toshiaki Ariyoshi, Yosuke Fujii | 2004-08-03 |
| 6746258 | Arc-resistant structure of connector | Yuzi Maeda | 2004-06-08 |
| 6692860 | Fuel cell comprising dual seal assembly | Masajiro Inoue, Nobuaki Kimura, Narutoshi Sugita | 2004-02-17 |
| 6682944 | Semiconductor device manufacturing method | Genichi Komuro | 2004-01-27 |
| 6674264 | Cell voltage detector for fuel cell | Masahiko Sato, Toshiaki Ariyoshi, Yosuke Fujii | 2004-01-06 |
| 6532142 | Electrification preventing implement and electrification preventing method | Kuniaki Takamatsu, Toyoko Ohara | 2003-03-11 |
| 6208932 | Navigation apparatus | Hiroshi Ohmura, Koji Hosoda | 2001-03-27 |
| 6203853 | Material for inverting static electricity method for removing static electricity crop raising house and method for raising crop | Kuniaki Takamatsu, Toyoko Ohara, Kenichi Umeda, Kennosuke Tanaka, Taichiro Nakayama | 2001-03-20 |
| 6125326 | Navigation system | Hiroshi Ohmura, Koji Hosoda | 2000-09-26 |
| 6002345 | Assurance of intercommunication and position recognition between mobile stations with navigation apparatuses | Hiroshi Ohmura, Koji Hosoda | 1999-12-14 |
| 5950361 | Plant activating method | Kuniaki Takamatsu, Toyoko Ohara, Kenichi Umeda | 1999-09-14 |
| 5864808 | Erroneous input processing method and apparatus in information processing system using composite input | Haru Ando, Nobuo Hataoka, Yasumasa Matsuda, Shigeto Oheda, Tsukasa Hasegawa | 1999-01-26 |
| 5620526 | In-situ cleaning of plasma treatment chamber | Hirofumi Watatani, Masahiko Doki, Shoji Okuda, Junya Nakahira | 1997-04-15 |
| 5498849 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1996-03-12 |
| 5444206 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1995-08-22 |
| 5104454 | Cleaning method and an apparatus thereof | Michinori Yokozawa | 1992-04-14 |
| 5068051 | Cleaning solvent | Motosuke Ogawa, Akira Niiyama | 1991-11-26 |