HH

Hiroshi Hosokawa

Ricoh Company: 121 patents #17 of 9,818Top 1%
SC Sanyo Electric Co.: 10 patents #506 of 6,347Top 8%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
Canon: 7 patents #7,830 of 19,416Top 45%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
DE Denso: 2 patents #4,986 of 11,792Top 45%
MC Miura Co.: 1 patents #82 of 163Top 55%
SO Soliton: 1 patents #158 of 372Top 45%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
Overall (All Time): #5,100 of 4,157,543Top 1%
164
Patents All Time

Issued Patents All Time

Showing 76–100 of 164 patents

Patent #TitleCo-InventorsDate
8845904 Method for operating ion exchange equipment Masaaki Hirao, Saburo Nakamura, Shinichiro Teshima, Hajime Abe, Atsushi Kan 2014-09-30
8798507 Image forming apparatus capable of effectively developing images Kanichirou Nagai 2014-08-05
8750752 Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroaki Okamoto 2014-06-10
8720406 Engine with vibration suppression structure Naoyuki Abe, Kazuhiro Tomizawa, Yasushi Nakahara, Kiyonori Nagato, Yasuhiro Sudou +5 more 2014-05-13
8649714 Development device, process cartridge, and image forming apparatus including same Norio Kudo, Yasuo Miyoshi, Yoshihiro Fujiwara, Hiroaki Okamoto 2014-02-11
8626037 Powder container having an opening on an end of the container body, the opening facing the longitudinal direction of the container Daichi Yamaguchi, Makoto Komatsu, Tadashi Hayakawa, Tsukuru Kai 2014-01-07
8571449 Development device, process cartridge, and image forming apparatus Yasuo Miyoshi, Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroaki Okamoto 2013-10-29
8433224 Development device, process cartridge including same, and image forming apparatus including same Yoshihiro Fujiwara, Yasuo Miyoshi, Norio Kudo, Hiroaki Okamoto 2013-04-30
8399804 Method for manufacturing prismatic battery, and laser welding jig and laser welding device for manufacturing the same Haruhiko Yamamoto, Masato Nishikawa, Takahiro Nakamura, Hitoshi Kihara 2013-03-19
8326184 Development device and image forming apparatus Norio Kudo, Yasuo Miyoshi, Yoshihiro Fujiwara, Hiroaki Okamoto 2012-12-04
8295742 Powder container, powder supplying device, and image forming apparatus Daichi Yamaguchi, Makoto Komatsu, Tadashi Hayakawa, Tsukuru Kai 2012-10-23
8195070 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2012-06-05
8005406 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2011-08-23
7957678 Image forming apparatus capable of effectively developing images Kanichirou Nagai 2011-06-07
7953362 Image forming apparatus, process cartridge, and lubricant applicator Yuji Arai, Hiroyuki Nagashima, Nobuo Kuwabara, Hirotaka Hatta 2011-05-31
7943253 Sealed battery and manufacturing method therefor Kenji Inagaki, Takashi Kondou, Satoshi Yoshida, Yasuhiro Yamauchi 2011-05-17
7835673 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2010-11-16
7697870 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2010-04-13
7680429 Charging device including charging roller and cleaning roller Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more 2010-03-16
7650101 Image forming apparatus capable of effectively developing images Kenichirou Nagai 2010-01-19
7603053 Image forming apparatus Hiroyuki Nagashima, Nobuo Kuwabara, Hirotaka Hatta 2009-10-13
7542712 Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge Shuji Tanaka, Shinichi Kawahara, Yoshiyuki Kimura, Yoshio Hattori, Takeo Suda +11 more 2009-06-02
7519317 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2009-04-14
7483648 Process cartridge and image forming apparatus using the same Atushi Sampe, Hiroyuki Nagashima, Nobuo Kuwabara, Yoshiyuki Kimura, Wakako Murakami 2009-01-27
7480476 Developer container, developer supplying device, and image forming apparatus Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more 2009-01-20