KO

Kenichi Oshima

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Pioneer: 3 patents #574 of 1,730Top 35%
TP Tohoku Pioneer: 3 patents #81 of 312Top 30%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
JT Jatco Transtechnology: 1 patents #22 of 58Top 40%
JA Jatco: 1 patents #458 of 871Top 55%
HI Hiatchi: 1 patents #1 of 84Top 2%
Overall (All Time): #222,467 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10277976 Speaker device having diaphragm with folded portion Koji Takayama, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo 2019-04-30
10264347 Two-way speaker device having diaphragm of second speaker unit inside voice coil bobbin of first speaker unit Koji Takayama, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo 2019-04-16
10097929 Sound signal amplitude suppressing apparatus 2018-10-09
8235167 Vibrating body for speaker and speaker device Hiroyuki Kobayashi, Toshihiro Hikichi, Takuei Nagasawa, Koji Takayama, Koji Maekawa +2 more 2012-08-07
8147565 Method for manufacturing electrode plate for battery Kyoushige Shimizu, Hideo Hori 2012-04-03
7354259 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2008-04-08
7137796 Scroll compressor Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2006-11-21
7118358 Scroll compressor having a back-pressure chamber control valve Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2006-10-10
6905318 Compressor including tapered discharged valve and valve seat Takeshi Kouno, Hirokatsu Kohsokabe, Isao Hayase, Akihiko Ishiyama 2005-06-14
6769888 Scroll compressor having a valved back pressure chamber and a bypass for overcompression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2004-08-03
6637550 Displacement type fluid machine Masaki Koyama, Isamu Tsubono, Isao Hayase, Yuugo Mukai, Koichi Sekiguchi 2003-10-28
6589035 Scroll compressor having a valved back-pressure chamber and a bypass for over-compression Isamu Tsubono, Masahiro Takebayashi, Isao Hayase, Koichi Inaba, Koichi Sekiguchi +2 more 2003-07-08
6427551 Transmission for vehicle Kouichi Iizuka 2002-08-06
6336336 Rotary piston compressor and refrigerating equipment Shigeya Kawaminami, Tatsuya Wakana, Minoru Oki, Tatsuo Horie 2002-01-08
6270329 Rotary compressor Minoru Ooki, Shigeya Kawaminami, Tatuya Wakana 2001-08-07
6217303 Displacement fluid machine Hirokatsu Kohsokabe, Masahiro Takebayashi, Shunichi Mitsuya, Hiroaki Hata, Yasuhiro Oshima 2001-04-17
6099279 Displacement fluid machine Hirokatsu Kohsokabe, Masahiro Takebayashi, Shunichi Mitsuya, Hiroaki Hata, Yasuhiro Oshima 2000-08-08
6024670 Control apparatus for automatic transmissions Ato Kitagawa, Kazushi Sanada, Hirohiko Totsuka 2000-02-15
5938417 Scroll type fluid machine having wraps formed of circular arcs Kunihiko Takao, Hirokatsu Kohsokabe, Masahiro Takebayashi, Isao Hayase 1999-08-17
5345785 Scroll compressor and air conditioner using the same Kazuo Sekigami, Masahiro Takebayashi 1994-09-13