MM

Masanori Maekawa

OD Oki Data: 7 patents #96 of 635Top 20%
SC Sanyo Electric Co.: 6 patents #961 of 6,347Top 20%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
OC Oki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
AY Apic Yamada: 2 patents #10 of 52Top 20%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
OC Oki Electric Co.: 1 patents #3 of 39Top 8%
Overall (All Time): #177,536 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12388082 Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing same Miki Mizawa, Kaoru Nagata, Masahiro Kinoshita 2025-08-12
12249711 Positive-electrode active material for lithium-ion secondary battery and lithium-ion secondary battery Ayumi Miura, Hiroyuki Fujimoto, Kaoru Nagata 2025-03-11
12237506 Non-aqueous electrolyte secondary battery Takayuki Ishikawa, Kaoru Nagata 2025-02-25
11658295 Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing same Miki Mizawa, Kaoru Nagata, Masahiro Kinoshita 2023-05-23
9640798 Nonaqueous electrolyte secondary battery Yasunobu Iwami, Akira Kinoshita 2017-05-02
9590234 Nonaqueous electrolyte secondary battery YUSUKE NISHIO 2017-03-07
9238314 Method for resin molding and resin molding apparatus Shusaku Tagami, Yoshikazu Muramatsu, Hideaki Nakazawa, Masahiko Fujisawa, Takuya Miyamoto 2016-01-19
8727757 Molding die set and resin molding apparatus having the same Tomokazu Takahashi 2014-05-20
8388703 Method for producing positive electrode for non-aqueous electrolyte secondary cell and method for producing non-aqueous electrolyte secondary cell Katsutoshi Takeda, Yoshio Kato, Shingo Tode, Shigeki Matsuta 2013-03-05
8197556 Method for producing positive electrode for non-aqueous electrolyte secondary cell and method for producing non-aqueous electrolyte secondary cell Katsutoshi Takeda, Yoshio Kato, Shingo Tode, Shigeki Matsuta 2012-06-12
8166794 Method for judging quality of lithium nickel composite oxide and positive electrode using lithium nickel composite oxide Katsutoshi Takeda, Yoshio Kato, Shingo Tode, Shigeki Matsuta 2012-05-01
7113725 Roller, belt unit, and image forming apparatus that uses a roller and a belt unit Sakae Ogashiwa 2006-09-26
7020404 Image forming apparatus with color shift sensors that are shielded from toner Masahiro Fukuda, Toshimasa Shiobara, Takeshi Asaba 2006-03-28
6859635 Color image recording apparatus having movable image forming sections Makoto Yabuki 2005-02-22
6546213 Toner cartridge and image forming apparatus Junichi Ito, Toshimasa Shiobara 2003-04-08
6064852 Electrophotographic printer 2000-05-16
5943533 Method and apparatus for forming an electrostatic latent image with toner recovery Syuichiro Ogata, Yoshitatsu Okiyama, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi +4 more 1999-08-24
5765076 Method and apparatus for forming an electrostatic latent image with toner recovery Syuichiro Ogata, Yoshitatsu Okiyama, Kazuyoshi Yoshida, Toru Ishihara, Kuniharu Hayashi +4 more 1998-06-09
5405203 Multicolor ink ribbon having barrier and protective layers Minoru Mizutani 1995-04-11
5201592 Reinking color ribbon cassette and ink ribbon selection mechanism Minoru Mizutani 1993-04-13
4929102 Ribbon protector including electro-conductive elements and platen gap adjustment device incorporating the same Minoru Mizutani, Hiroshi Kikuchi, Shoichi Watanabe, Kuniharu Hayashi 1990-05-29
4750881 Easily assembled carriage mechanism of printer Hiroshi Kikuchi, Kazuki Obara, Kuniharu Hayashi, Yukio Ota, Shyoichi Watanabe 1988-06-14
4687361 Rack mount for a rack and pinion carriage moving mechanism Hiroshi Kikuchi, Kuniharu Hayashi, Minoru Isobe, Jiro Tanuma 1987-08-18