MN

Michiharu Naka

Nsk: 33 patents #15 of 1,559Top 1%
KC Kyodo Yushi Co.: 6 patents #14 of 191Top 8%
NO Nippon Oil: 3 patents #192 of 773Top 25%
NC Nippon Seiko Co.: 2 patents #67 of 315Top 25%
Overall (All Time): #98,529 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
RE48187 Grease composition for rolling bearing Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Yasunobu Fujita, Atsushi Shibayama +1 more 2020-09-01
7265080 Rolling bearing, rolling bearing for fuel cell, compressor for fuel cell system and fuel cell system Kenichi Iso, Hirotoshi Miyajima, Katsuaki Denpou, Yujiro Toda, Masahiko Yamazaki +1 more 2007-09-04
7234872 Rolling Bearing Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more 2007-06-26
7135441 Lubricating grease composition and rolling apparatus Youichiro Sugimori, Atsushi Yokouchi, Hisao Sumiya 2006-11-14
7029181 Rolling bearing and fan motor using the same Yasuhisa Terada, Kenji Takei 2006-04-18
6898959 Lubricant applying system for a rolling bearing Masaaki Sekine, Katsuyoshi Yamashita 2005-05-31
6880978 Rolling bearing for hard disk drive Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more 2005-04-19
6820724 Lubricant applying system for a rolling bearing Masaaki Sekine, Katsuyoshi Yamashita 2004-11-23
6777022 Lubricant applying system for a rolling bearing Masaaki Sekine, Katsuyoshi Yamashita 2004-08-17
6755071 Lubricant applying system for a rolling bearing Masaaki Sekine, Katsuyoshi Yamashita 2004-06-29
6727207 Rolling bearing Kenichi Iso, Atsushi Yokouchi 2004-04-27
6689721 Conductive grease and rolling apparatus packed with the same Katsuaki Denpo, Atsushi Yokouchi, Koichi Hachiya, Tooru Shouda, Hideki Koizumi 2004-02-10
6682223 Ball bearing Youichiro Sugimori, Yasushi Mutoh, Takashi Ogawa, Yasuhisa Terada, Hiroshi Ishiwada 2004-01-27
6589918 Conductive grease and rolling apparatus packed with the same Katsuaki Denpo, Atsushi Yokouchi, Koichi Hachiya, Tooru Shouda, Hideki Koizumi 2003-07-08
6582130 Rolling bearing and bearing apparatus Atsushi Yokouchi, Katsuaki Denpo, Toru Syoda, Yasuyuki Matsumoto 2003-06-24
6568856 Rolling bearing Youichiro Sugimori, Hisao Sumiya, Takashi Ogawa, Yasuhisa Terada 2003-05-27
6482779 Lubricating grease composition and rolling apparatus comprising same Atsushi Yokouchi, Koichi Hachiya, Toru Takamizawa, Jun Kuraishi, Yasunobu Fujita +3 more 2002-11-19
6482780 Grease composition for rolling bearing Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Yasunobu Fujita, Atsushi Shibayama +1 more 2002-11-19
6477885 Lubricant applying system for a rolling bearing Masaaki Sekine, Katsuyoshi Yamashita 2002-11-12
6352961 Grease composition for rolling bearing Kenichi Iso, Atushi Yokouchi, Hideki Koizumi 2002-03-05
6340244 Rolling bearing for hard disk drive Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more 2002-01-22
6251841 Grease composition Hideki Koizumi, Atsushi Yokouchi, Kenichi Iso, Toshiaki Endo, Atsushi Shibayama 2001-06-26
5922654 Lubricant composition Masahiko Yamazaki, Jun Kuraishi, Kenichi Iso, Atsushi Yokouchi 1999-07-13
5840666 Grease composition Atsushi Yokouchi, Hideki Koizumi, Kenichi Iso 1998-11-24
5728659 Grease compositions for rolling bearing Atsushi Yokouchi, Hideki Koizumi, Kenichi Iso, Hirotugu Kinoshita, Souichi Nomura +1 more 1998-03-17