MI

Masayuki Ishii

Ricoh Company: 29 patents #656 of 9,818Top 7%
Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%
SO Sony: 5 patents #7,785 of 25,231Top 35%
MC Mita Industrial Co.: 4 patents #345 of 891Top 40%
NC Neturen Co.: 2 patents #59 of 161Top 40%
HS Hitachi-Omron Terminal Solutions: 2 patents #37 of 113Top 35%
NU National University Corporation Ehime University: 1 patents #37 of 160Top 25%
NU National University Corporation Tottori University: 1 patents #55 of 154Top 40%
OM Omron: 1 patents #1,808 of 3,089Top 60%
OE Omron Tateisi Electronics: 1 patents #264 of 599Top 45%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
RI Riken: 1 patents #679 of 1,824Top 40%
KM Kyocera Mita: 1 patents #439 of 763Top 60%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #35,600 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
12429786 Electronic device and method for producing the same, image forming method, and image forming apparatus Hidetoshi Kami, Tomoharu Asano, Ryota Inoue 2025-09-30
11281118 Toner, toner accommodating container, developer, developing device, process cartridge, image forming apparatus, and image forming method Shinya Hanatani, Hyo Shu 2022-03-22
11036152 Toner, image forming method, image forming apparatus, and process cartridge Shohta Kobayashi, Satoshi Ogawa, Yoshitaka Sekiguchi, Naoko Kitada 2021-06-15
11036156 Toner, developer, toner stored unit, image forming apparatus, image forming method, and printed matter producing method Kohtaroh Ogino, Masayuki Kakimoto, Shohichi Sugimoto 2021-06-15
D896672 Flowmeter Yuudai Hirai, Noriaki Senba, Rei Kitano, Naoto Takano, Kentarou Yamada 2020-09-22
10754270 Toner, production method of toner, image forming method, image forming apparatus, and process cartridge Naoko Kitada, Satoshi Ogawa, Yoshitaka Sekiguchi, Shohta Kobayashi 2020-08-25
10554558 Data diode device Masahiro Ura 2020-02-04
10458881 Pipe evaluation method, measurement device, and pipe evaluation system Masahiro Hyodo, Hidehiko Ogata, Naoki Kawamura, Tsuguhiro Nonaka 2019-10-29
9807896 Converter Takashi Arai, Yuichi Hori, Akira Uehara 2017-10-31
9182695 External additive for toner, toner covered with external additive, development agent, toner container, and image forming apparatus 2015-11-10
9176409 Toner, development agent, toner container, and image forming apparatus Toyoshi Sawada 2015-11-03
8927186 Toner, and developer, image forming method and process cartridge using the toner Toyoshi Sawada 2015-01-06
8778583 Toner, developer, image forming apparatus, and process cartridge Toyoshi Sawada 2014-07-15
8652721 Toner, developer, and method of manufacturing toner 2014-02-18
8277971 Battery, charging apparatus and electronic device Takayoshi Yamasaki, Hiroaki Sato, Toshiaki Ueda, Tomonori Watanabe, Yoichi Miyajima +2 more 2012-10-02
8105743 Fine organic silicone particle for latent electrostatic image developing toners, external additive for toners, toner for developing latent electrostatic image, and two-component developer Ryota Inoue, Yoshihiro Moriya, Shingo Sakashita 2012-01-31
8084181 Carrier and method for producing the same, developer and image forming method Ryota Inoue, Yoshihiro Moriya, Takuya Seshita, Shingo Sakashita, Chiaki Tanaka 2011-12-27
8076051 Method for preparing resin and particulate material, toner prepared by the method, developer including the toner, toner container, and process cartridge, image forming method and apparatus using the developer Takuya Saito, Chiaki Tanaka, Naohiro Watanabe, Kei Naitoh 2011-12-13
8043785 Carrier, method for producing the same, developer, and image forming method Ryota Inoue, Chiaki Tanaka, Yoshihiro Moriya, Shingo Sakashita 2011-10-25
7875385 Battery, charging apparatus and electronic device Takayoshi Yamasaki, Hiroaki Sato, Toshiaki Ueda, Tomonori Watanabe, Yoichi Miyajima +2 more 2011-01-25
7803508 Toner as well as developer and image forming method using the same Tsuneyasu Nagatomo 2010-09-28
7713657 Battery, charging apparatus and electronic device Takayoshi Yamasaki, Hiroaki Sato, Toshiaki Ueda, Tomonori Watanabe, Yoichi Miyajima +2 more 2010-05-11
7662512 Rectangular storage battery Norifumi Yasuda, Hisashi Katoh, Tatsuya Kouda, Sunao Morishita, Hitoshi Toda +1 more 2010-02-16
7629104 Carrier, method for producing the carrier, developer, and image forming method using the developer Chiaki Tanaka 2009-12-08
7575842 Toner and, developer, toner-containing container, process cartridge, image forming apparatus and image forming method Chiaki Tanaka, Naohiro Watanabe, Kei Naitoh, Takuya Saito 2009-08-18