MU

Masao Umezawa

Canon: 16 patents #4,160 of 19,416Top 25%
DC Du Pont-Toray Co.: 10 patents #1 of 62Top 2%
TI Toray Industries: 3 patents #932 of 3,690Top 30%
IC Ican Company: 1 patents #4 of 9Top 45%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
Overall (All Time): #116,483 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12384349 Electro-hydraulic actuator and brake device Toshishige Kasuga, Takahiro Yasunaga 2025-08-12
10611586 Sheet stacking apparatus and image forming apparatus Taisuke Hyodo, Takashi Kuwata 2020-04-07
10189644 Driving force transmission device and image-forming apparatus Takuji Uesugi, Yuji Nakayashiki, Taku Fukita, Akira Kuroda, Yoshihiro Matsuo 2019-01-29
9783365 Driving force transmission device and image-forming apparatus Takuji Uesugi, Yuji Nakayashiki, Taku Fukita, Akira Kuroda, Yoshihiro Matsuo 2017-10-10
8427519 Electrophotographic image forming apparatus with movable light emitting member support 2013-04-23
7778582 Image heating apparatus with frame accommodating apparatus components Tsutomu Miki, Kazuhisa Kemmochi, Hikaru Osada 2010-08-17
7738823 Image forming apparatus for realizing downsizing of a main body of the apparatus Eiichiro Kimizuka, Ichiro Yasumaru, Masao Amano, Junichi Ochi 2010-06-15
7283763 Fixing apparatus, and image forming apparatus Tomoo Akizuki, Toru Saito, Toshikazu Tsuchiya 2007-10-16
7209696 Image heating apparatus with elastic conductive member contacting internal surface of rotation member Atsutoshi Ando, Hiroshi Shiba 2007-04-24
7136601 Fixing apparatus and image forming apparatus with temperature controller increasing electric power substantially at a timing with temperature degradation Tomoo Akizuki, Atsutoshi Ando, Toshikazu Tsuchiya, Hisahiro Saito 2006-11-14
7054573 Heating apparatus Masahide Hirai, Toshikazu Tsuchiya, Tomoo Akizuki 2006-05-30
7013097 Fixing apparatus, and image forming apparatus Tomoo Akizuki, Toru Saito, Toshikazu Tsuchiya 2006-03-14
7003253 Image heating apparatus including rotary member with metal layer Michio Uchida, Atsutoshi Ando, Toshikazu Tsuchiya 2006-02-21
6639041 Spandex having low set at low temperatures Hiroshi Nishikawa 2003-10-28
6623585 Coalesced multifilament spandex and method for its preparation Hideki Nakanishi, Toshikazu Matsuda 2003-09-23
6430386 Image heating apparatus provided with a body that is movable with a recording material Takateru Okubo, Masanori Yamagata 2002-08-06
6403712 Process for the manufacture of spandex and the spandex made thereby Shingo Ito, Toshikazu Matsuda 2002-06-11
6399003 Process for making melt-spun spandex 2002-06-04
6376071 Polyurethane fiber containing poly(vinylidene fluoride) Toshihiro Tanaka, Masahi Hara 2002-04-23
6347201 Image heating apparatus Tetsuya Sano, Hideo Nanataki, Takao Kume, Takashi Nomura 2002-02-12
6225435 Stable polyurethaneurea solutions Shingo Ito, Toshikazu Matsuda 2001-05-01
6214145 Coalesced multifilament spandex and method for its preparation Hideki Nakanishi, Toshikazu Matsuda 2001-04-10
6096252 Process of making polyurethane fiber Hideki Nakanishi, Tsutomu Watanabe 2000-08-01
5962130 Durable polyurethane fiber and method for the manufacture thereof Tsutomu Wanatabe, Hideki Nakanishi 1999-10-05
5800920 Durable polyurethane fiber and method for the manufacture thereof Hideki Nakanishi, Tsutomu Watanabe 1998-09-01