MI

Masaaki Ichikawa

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
JC Japan Cash Machine Co.: 3 patents #27 of 83Top 35%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
IH Ihi: 1 patents #624 of 1,178Top 55%
Overall (All Time): #395,791 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12406545 Paper sheet transport system and restoration method Kazuo Nakatake, Hirokazu Arai 2025-09-02
12269704 Transport mechanism and air flow control apparatus Hirokazu Arai 2025-04-08
11823518 Information processing device and information processing system Hirokazu Arai, Toshitaka NISHIZAKI 2023-11-21
9352805 Oceanographic information collection system Aritsune Kawabe, Takuya Omori, Yoshiyuki Wada, Toshihiko Nakagawa 2016-05-31
5946557 Method of manufacturing a semiconductor device having dummy patterns and an upper insulating layer having cavities Yukio Hosoda 1999-08-31
5843570 Magneto-optical recording medium having large kerr rotational angle in short wavelength range Hiromu Miyazawa, Shoji Hoshina, Satoshi Shimokawato, Masaya Ishida, Takeo Kawase +3 more 1998-12-01
5823806 Lamp socket Haruo Nagase, Hideki Hamada, Nobuo Kato, Tomoyuki Ono, Yasuhiro Kimura 1998-10-20
5792571 Magneto-optical recording medium having large kerr rotational angle in short wavelength range Hiromu Miyazawa, Shoji Hoshina, Satoshi Shimokawato, Masaya Ishida, Takeo Kawase +3 more 1998-08-11
5746615 Lighting device Tomoyuki Ono, Nobumichi Nishihama, Masaaki Isoda 1998-05-05
5652465 Semiconductor device having dummy patterns and an upper insulating layer having cavities Yukio Hosoda 1997-07-29
5648161 Magneto-optical recording medium having large kerr rotational angle in short wavelength range Hiromu Miyazawa, Shoji Hoshina, Satoshi Shimokawato, Masaya Ishida, Takeo Kawase +3 more 1997-07-15
4804560 Method of selectively depositing tungsten upon a semiconductor substrate Yoshimi Shioya, Yasushi Oyama, Norihisa Tsuzuki, Mamoru Maeda, Fumitake Mieno +6 more 1989-02-14