| 8428283 |
Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker |
Kenichi Ajiki, Shinya Mizone, Masahide Sumiyama, Toru Fujii |
2013-04-23 |
| 8343313 |
Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same |
Kenichi Ajiki, Shinya Mizone, Masahide Sumiyama, Toru Fujii |
2013-01-01 |
| 8235168 |
Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker |
Yoshimichi Kajihara, Shinya Mizone, Takashi Sabato, Kazuaki Nishimura |
2012-08-07 |
| 8230966 |
Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker |
Yoshimichi Kajihara, Shinya Mizone, Takashi Sabato, Kazuaki Nishimura |
2012-07-31 |
| 8199964 |
Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same |
Shinya Mizone, Kenichi Ajiki, Masahide Sumiyama, Toru Fujii, Yoshiyuku Takahashi +3 more |
2012-06-12 |
| 8177021 |
Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker |
Yoshimichi Kajihara, Shinya Mizone, Takashi Sabato, Kazuaki Nishimura |
2012-05-15 |
| 8144912 |
Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker |
Kenichi Ajiki, Shinya Mizone, Masahide Sumiyama, Toru Fujii |
2012-03-27 |
| 8122996 |
Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker |
Yoshimichi Kajihara, Shinya Mizone, Takashi Sabato, Kazuaki Nishimura |
2012-02-28 |
| 8098869 |
Loudspeaker damper, manufacturing method thereof, and loudspeaker and electronic device using the same |
Masatoshi Okazaki, Shinya Mizone, Masahide Sumiyama |
2012-01-17 |
| 6360069 |
Roller for electrophotographic systems having surface roughness adjusted by fine particles |
Kenji Kobayashi, Susumu Fukuda, Hiroshi Ogoshi, Yasuo Fushiki |
2002-03-19 |
| 6035172 |
Developing roller |
Yoshihisa Tawada, Kenji Kobayashi, Hiroshi Ogoshi, Susumu Fukuda |
2000-03-07 |
| 5810705 |
Developing roller |
Yoshihisa Tawada, Shigeo Akimoto, Kenji Kobayashi, Yasunori Matsunari, Susumu Fukuda |
1998-09-22 |