YN

Yoshio Nakajima

OC Olympus Optical Co.: 16 patents #155 of 2,334Top 7%
Canon: 12 patents #5,447 of 19,416Top 30%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SI Sumitomo Rubber Industries: 5 patents #438 of 1,637Top 30%
NC Nisshin Steel Co.: 4 patents #80 of 514Top 20%
KC Kansai Paint Co.: 3 patents #201 of 822Top 25%
SC Sun Chlorella: 2 patents #1 of 15Top 7%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
MC Mitsumi Electric Co.: 1 patents #527 of 935Top 60%
DE Denso: 1 patents #6,940 of 11,792Top 60%
📍 Yokohama, PA: #6 of 19 inventorsTop 35%
Overall (All Time): #57,679 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
12312480 Aqueous ink, ink cartridge and ink jet recording method Yoko Uetake, Akemi Watanabe 2025-05-27
9182038 Cooker with steam generating function Yuji Hayakawa, Akimi Nishi 2015-11-10
9060542 Chlorella extract-containing product and method for improving the storage stability of the same Yoko Kondo 2015-06-23
8987348 Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus Fumihiko Mukae, Masashi Ogasawara, Souichi Nagai, Shuichi Okazaki, Shin-ichi Hakamada 2015-03-24
8834621 Pigment particle, ink, ink cartridge, and ink jet recording method Satoshi Takebayashi, Shuichi Okazaki, Eiichi Nakata 2014-09-16
8636350 Ink, ink cartridge, and ink jet recording method Hideki Takayama, Eiichi Nakata, Yuhei Shimizu 2014-01-28
8602546 Ink, ink cartridge, and ink jet recording method Yuhei Shimizu, Eiichi Nakata, Hideki Takayama 2013-12-10
8602547 Ink, ink cartridge, and ink jet recording method Eiichi Nakata, Hideki Takayama, Yuhei Shimizu 2013-12-10
8579401 Inkjet printing system and inkjet printing method Hinako Iritani, Yuji Konno, Yuji Hamasaki, Takeshi Yazawa, Satoshi Seki 2013-11-12
8425027 Clear ink, ink jet recording method, ink set, ink cartridge, recording unit and ink jet recording apparatus Yuko Nishiwaki, Yuhei Shimizu, Tetsu Iwata, Katsuhiro Hayashi, Kenji Nishiguchi 2013-04-23
8187641 Chlorella extract-containing product and method for improving the storage stability of the same Yoko Kondo 2012-05-29
D613264 Radio tuner Mitsuhiro Sugiyama 2010-04-06
7615832 Physical quantity sensor, method for manufacturing the same, and resin film for bonding semiconductor chip and circuit chip Ichiharu Kondoh, Ryuichiro Abe, Akitoshi Yamanaka 2009-11-10
7578876 Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus Sadayuki Sugama, Shin-ichi Hakamada 2009-08-25
7297202 Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image Hirofumi Ichinose, Masashi Miyagawa, Junichi Sakai, Yoko Ichinose 2007-11-20
7291211 Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image Toshiaki Kaneko, Sadayuki Sugama, Masashi Miyagawa, Junichi Sakai, Yoko Ichinose 2007-11-06
7291214 Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatus Itaru Tsuji, Shinichi Hakamada, Yoichi Takada 2007-11-06
7026392 Resin for pigment dispersion Yoshiyuki Yukawa, Isao Kamimori, Akihiko Yamanouchi, Yuko Hoshida 2006-04-11
6656595 Pigment dispersing resins Yoshiyuki Yukawa, Isao Kamimori 2003-12-02
6548174 Pigment dispersing resins Yoshiyuki Yukawa, Isao Kamimori 2003-04-15
6064936 Tire air pressure reduction detecting apparatus 2000-05-16
6055488 Device for calculating initial correction factor for correcting rotational velocity of tire 2000-04-25
5983715 Initial correcting apparatus for automatically performing an initial correction processing in a tire air pressure reduction detecting apparatus 1999-11-16
5940781 Tire pressure drop detecting device 1999-08-17
5922949 Wheel rotational velocity signal processing apparatus used for detection of reduction in tire air pressure 1999-07-13