YI

Yoshitaka Isogai

KM Konica Minolta: 11 patents #154 of 1,361Top 15%
HP HP: 5 patents #2,937 of 16,619Top 20%
MC Minolta Co.: 3 patents #574 of 1,416Top 45%
SC S-Printing Solution Co.: 2 patents #77 of 396Top 20%
Overall (All Time): #201,896 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
D1090691 Toner cartridge Hojin Jang, Jonghwa Park 2025-08-26
D1082923 Toner cartridge Jeonghyun Lee, Ohdug Kwon 2025-07-08
D1077045 Toner cartridge Gun Heo, Jaerae Lee 2025-05-27
D1075907 Toner cartridge Youngkwang Shin, Seungchan Park 2025-05-20
D1045976 Toner cartridge Jinsam Park, Jinhong Kim 2024-10-08
D832343 Multi-function printer Kyong-Hwan Kim, Seungwook Jeong, Minchul Kim, Taekung Park, Jong Kyu Kim +2 more 2018-10-30
D826321 Multi-function printer Kyong-Hwan Kim, Seungwook Jeong 2018-08-21
7805091 Image forming apparatus detecting state of apparatus to display message Yu Iritani, Shin Sugiura 2010-09-28
D587306 Printer 2009-02-24
D578154 Electronic copying machine Yu Iritani, Shin Sugiura 2008-10-07
D577060 Electronic copying machine Yu Iritani, Shin Sugiura 2008-09-16
D576665 Electronic copying machine Yu Iritani 2008-09-09
D576666 Electronic copying machine Yu Iritani 2008-09-09
D573177 Electronic copying machine Yu Iritani 2008-07-15
D573176 Electronic copying machine Yu Iritani, Shin Sugiura 2008-07-15
D535687 Printer Satoshi Tomono, Shinichirou Mitsunaga 2007-01-23
D534206 Electronic copying machine Satoshi Tomono, Shinichirou Mitsunaga 2006-12-26
D522046 Printer Yu Iritani, Tomonari Asai 2006-05-30
6371476 Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction Yoshihiro Ichi, Henry Chin, Steve McCallion, Scott Thorpe, Peter Wyatt 2002-04-16
D451123 Portion of a copying machine with facsimile functions Yoko Takahashi 2001-11-27
6181884 Image producing apparatus having an image reading unit Henry Chin, Steve McCallion, Scott Thorpe, Peter Wyatt 2001-01-30