MF

Masao Fujiwara

Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
NK Nippon Hoso Kyokai: 2 patents #182 of 703Top 30%
MK Mitsubishi Jukogyo K.K.: 1 patents #7 of 59Top 15%
NU National University Corporation Kagawa University: 1 patents #102 of 277Top 40%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
SP Seiko Precision: 1 patents #81 of 173Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
Overall (All Time): #541,514 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12426981 Grip tool, grip system, slip detection device, slip detection program, and slip detection method Hidekuni Takao 2025-09-30
7605864 Image pickup apparatus and electronics apparatus mounting the same Hiroshi Takahashi, Yoichi Nakano, Kenichi Kudou 2009-10-20
6965869 Service point management system for use in sales promotion services Tokimori Tomita, Shigeta Akihiko, Mamoru Matsumoto, Yasumasa Hiroshima, Satoshi Tomari 2005-11-15
5937391 Point-service system in online shopping mall Sekio Ikeda, Nobuo Oka, Michihiro Miyasaka, Shuji Morita, Masakazu Yamashita +1 more 1999-08-10
5818420 3D object graphics display device, 3D object graphics display method, and manipulator for 3D object graphics display Hideki Mitsumine, Yuichi Ninomiya, Kazumasa Enami, Hideo Noguchi, Seiki Inoue +2 more 1998-10-06
5805800 Apparatus and method for controlling storage medium using security capabilities Seigo Kotani, Keiichi Murakami, Shinichi Yoshimoto, Kouichi Kanamoto, Tatsuro Masuda +1 more 1998-09-08
5761308 System for refunding payment for software Naoya Torii, Haruhiko Tsunoda, Takayuki Hasebe 1998-06-02
4998800 Optical low pass filter Yasuaki Nishida, Katsuya Fujisawa, Yoshihiro Fujita, Shigeo Yoshikawa, Masao Uetsuki 1991-03-12
4757454 Operation data-recording system for a machine Tsuneo Hisatake, Tadashi Atono, Izuru Morita, Shoji Tozawa, Yoshinobu Nakamura 1988-07-12