YF

Yasunobu Fujita

Nsk: 8 patents #184 of 1,559Top 15%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
KC Kyodo Yushi Co.: 3 patents #31 of 191Top 20%
HO Hoya: 2 patents #523 of 1,290Top 45%
Overall (All Time): #378,582 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
RE48187 Grease composition for rolling bearing Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Michiharu Naka, Atsushi Shibayama +1 more 2020-09-01
8512368 Puncture needle device for ultrasonic endoscope Masayasu Sato, Tetsuya Tarumoto 2013-08-20
8070760 Clipping instrument for an endoscopic surgical device 2011-12-06
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 Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more 2007-06-26
7196042 Grease composition and rolling apparatus Shinya Nakatani, Michita Hokao, Hirotoshi Miyajima 2007-03-27
6975227 Method for controlling coming and going personnel, and a system thereof Yoshihiro Nishikawa, Sakae Gotou 2005-12-13
6880978 Rolling bearing for hard disk drive Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more 2005-04-19
6621414 Method of controlling coming and going personnel, and a system thereof Yoshihiro Nishikawa, Sakae Gotou 2003-09-16
6482779 Lubricating grease composition and rolling apparatus comprising same Michiharu Naka, Atsushi Yokouchi, Koichi Hachiya, Toru Takamizawa, Jun Kuraishi +3 more 2002-11-19
6482780 Grease composition for rolling bearing Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Michiharu Naka, Atsushi Shibayama +1 more 2002-11-19
6340244 Rolling bearing for hard disk drive Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more 2002-01-22
5576580 DC power supply circuit Minoru Hosoda, Toru Yoshida, Shigetoshi Ouchi, Haruo Honda, Fumihisa Ichikawa +1 more 1996-11-19