HN

Hiroyuki Nagashima

Ricoh Company: 49 patents #237 of 9,818Top 3%
KT Kabushiki Kaisha Toshiba: 48 patents #369 of 21,451Top 2%
Toshiba Memory: 7 patents #254 of 1,971Top 15%
Kioxia: 2 patents #693 of 1,813Top 40%
HC Hisamitsu Pharmaceutical Co.: 2 patents #129 of 383Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
TI Takasago International: 1 patents #239 of 465Top 55%
Overall (All Time): #11,966 of 4,157,543Top 1%
110
Patents All Time

Issued Patents All Time

Showing 101–110 of 110 patents

Patent #TitleCo-InventorsDate
7043182 Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member Kiyotaka Sakai, Kazuyuki Sugihara, Junichi Terai, Kazuhisa Sudo, Katsumi Masuda +1 more 2006-05-09
7024133 Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa, Hideki Zemba +7 more 2006-04-04
6993281 Image forming apparatus and process cartridge including flexible member Hideo Yoshizawa, Eisaku Murakami, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto 2006-01-31
6975830 Image forming apparatus, process cartridge, and waste toner recovery device Eisaku Murakami, Hideo Yoshizawa, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto +2 more 2005-12-13
6912368 Rotary body support structure and image forming apparatus using the same 2005-06-28
6687474 Developing apparatus, image formation apparatus, and process cartridge Masahiko Yamada, Kentaroh Matsumoto, Tokuya Ohjimi 2004-02-03
5999772 Image forming apparatus with support member Youtaro Kakitani, Kentaro Matsumoto, Kiyonori Tsuda, Yong-Seog Lee 1999-12-07
5287158 Image forming apparatus with image reading unit Akira Suga 1994-02-15
4981992 Process for preparing optically active 3-hydroxybutanoic acid Noboru Sayo, Takao Saito, Yoshiki Okeda, Hidonori Kumobayashi 1991-01-01
4780067 Multicylinder rotary compressor Sou Suzuki, Keiju Sakaino, Katsuyuki Kawasaki, Yoshinori Shirafuji, Hiroshi Ogawa 1988-10-25