YO

Yasumasa Ohtsuka

Canon: 38 patents #1,203 of 19,416Top 7%
NE Nec: 7 patents #2,006 of 14,502Top 15%
IS Ist: 1 patents #20 of 49Top 45%
Overall (All Time): #64,041 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
12299993 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2025-05-13
12272145 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2025-04-08
12223730 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2025-02-11
12183082 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2024-12-31
12131547 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2024-10-29
11494579 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2022-11-08
10997422 Information processing apparatus, information processing method, and program Junko Nakagawa, Ryoma Oami, Kenichiro Ida, Mika Saito, Shohzoh Nagahama +9 more 2021-05-04
6469279 Image heating apparatus and heater 2002-10-22
6377777 Fluorine-containing resin-coated pressure roller and heat-fixing device Kazuo Kishino, Toshihiko Ochiai, Masaaki Takahashi, Akira Hayakawa, Hideo Kawamoto +4 more 2002-04-23
6347211 Fixing apparatus preventing leakage of electric current from inner surface of fixing roller Hideo Nanataki, Koichi Tanigawa, Takayasu Yuminamochi, Akihiko Takeuchi, Hiroto Hasegawa 2002-02-12
6323460 Image heating apparatus in which first and second heating resistors are within a width of a nip through which a recording material passes 2001-11-27
6005594 Fixing apparatus having a fixing roller with a non-adhesive surface layer Hideo Nanataki, Koichi Tanigawa, Takayasu Yuminamochi, Akihiko Takeuchi, Hiroto Hasegawa 1999-12-21
5862445 Image heating apparatus using inductive heating Kenichi Ogawa 1999-01-19
5860052 Image heating apparatus Yohji Tomoyuki, Hideyuki Yano, Manabu Takano, Mahito Yoshioka, Osamu Mukataka +2 more 1999-01-12
5852763 Image heating apparatus Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Manabu Takano, Daizo Fukuzawa +1 more 1998-12-22
5801360 Image fixing apparatus Hiroyuki Oba, Kouichi Okuda, Tatsunori Ishiyama, Akira Hayakawa, Daizo Fukuzawa +1 more 1998-09-01
5778293 Image heating apparatus 1998-07-07
5697037 Fixing device and film for use in it Hideyuki Yano, Mahito Yoshioka, Naoki Konishi, Masafumi Matsumura 1997-12-09
5669039 Image heating apparatus capable of varying feeding intervals between recording materials Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa 1997-09-16
5659869 Image fixing apparatus having pressure roller with fluorine surface active agent Miho Aoki, Yukihiro Ohzeki, Masaharu Ohkubo, Koichi Okuda 1997-08-19
5592276 Image fixing device with heater responsive to thermal stress Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa 1997-01-07
5568240 Image heating apparatus 1996-10-22
5552582 Image heating apparatus Atsuyoshi Abe, Yohji Tomoyuki, Manabu Takano, Daizo Fukuzawa, Kenichi Ogawa 1996-09-03
5552874 Image fixing apparatus Yohji Tomoyuki, Akira Hayakawa, Manabu Takano, Daizo Fukuzawa, Atsuyoshi Abe 1996-09-03
5534987 Fixing apparatus with variable fixing temperature Shunji Nakamura, Takashi Soya, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa +4 more 1996-07-09