AH

Akira Hayakawa

Canon: 22 patents #2,832 of 19,416Top 15%
SC Sanken Electric Co.: 9 patents #34 of 315Top 15%
Brother Kogyo: 4 patents #1,445 of 2,767Top 55%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
MC Maspro Denkoh, Co.: 2 patents #4 of 23Top 20%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
MK Masprodenkoh Kabushikikaisha: 1 patents #19 of 39Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SC Semiconductor Technology Academic Research Center: 1 patents #98 of 254Top 40%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
📍 Niiza, JP: #7 of 316 inventorsTop 3%
Overall (All Time): #63,132 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
6227128 Sewing machine having a display Shintaro Tomita 2001-05-08
6175699 Image fixing device with heater control Akira Kato, Yasumasa Otsuka, Yoji Tomoyuki, Daizo Fukuzawa, Mahito Yoshioka +3 more 2001-01-16
6123040 Sewing machine capable of changing a needle position Shintaro Tomita 2000-09-26
6094559 Fixing apparatus having cleaning mode and storage medium storing program therefor Yasumasa Otsuka, Koichi Okuda, Tetsuo Kishida, Masahito Omata, Akira Kato +2 more 2000-07-25
5986835 Control apparatus and method for conveyance control of medium in library apparatus and data transfer control with upper apparatus Hidehiko Tanaka, Ryutaro Kurusu, Masakazu Sakamoto 1999-11-16
5924372 Embroidery data processing device for sewing machine including means for limiting repeated use of embroidery data Seijiro Okuda, Nami Morita 1999-07-20
5924373 Electronic sewing machine control having numeric keys on display Shintaro Tomita 1999-07-20
5856048 Information-recorded media and methods for reading the information Shigehiko Tahara, Shinichi Kurokawa, Norio Takahashi, Ryuji Horiguchi, Morito Sakai +1 more 1999-01-05
5852763 Image heating apparatus Kouichi Okuda, Yasumasa Ohtsuka, Yohji Tomoyuki, Manabu Takano, Daizo Fukuzawa +1 more 1998-12-22
5801360 Image fixing apparatus Hiroyuki Oba, Yasumasa Ohtsuka, Kouichi Okuda, Tatsunori Ishiyama, Daizo Fukuzawa +1 more 1998-09-01
5669039 Image heating apparatus capable of varying feeding intervals between recording materials Yasumasa Ohtsuka, Kouichi Okuda, Yohji Tomoyuki, Daizo Fukuzawa 1997-09-16
5654839 Control apparatus and method for conveyance control of medium in library apparatus and data transfer control with upper apparatus Hidehiko Tanaka, Ryutaro Kurusu, Masakazu Sakamoto 1997-08-05
5621510 Image heating apparatus with driving roller having low thermal expansion coefficient outer layer Kouichi Okuda, Tatsunori Ishiyama, Takashi Shibuya, Hiroyuki Oba 1997-04-15
5592276 Image fixing device with heater responsive to thermal stress Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Daizo Fukuzawa 1997-01-07
5552874 Image fixing apparatus Yasumasa Ohtsuka, Yohji Tomoyuki, Manabu Takano, Daizo Fukuzawa, Atsuyoshi Abe 1996-09-03
5534987 Fixing apparatus with variable fixing temperature Yasumasa Ohtsuka, Shunji Nakamura, Takashi Soya, Kouichi Okuda, Yohji Tomoyuki +4 more 1996-07-09
5444521 Image fixing device capable of controlling heating overshoot Yohji Tomoyuki, Shunji Nakamura, Yasumasa Ohtsuka, Kouichi Okuda, Eihiro Sakaki +1 more 1995-08-22
5420679 Elastic roller and fixing apparatus using same Masahiro Goto, Yasushi Sato, Shunji Nakamura, Junji Araya, Tetsuo Saito +7 more 1995-05-30
5365314 Image heating apparatus capable of changing duty ratio Kouichi Okuda, Shunji Nakamura, Yasumasa Ohtsuka, Yohji Tomoyuki, Daizo Fukuzawa 1994-11-15
5280155 Image heater having film guide with projections Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Daizo Fukuzawa 1994-01-18
5253024 Fixing apparatus with rectifier element Koichi Okuda, Yoji Tomoyuki, Toshio Miyamoto, Junji Araya, Yukihiro Ohzeki +7 more 1993-10-12