KY

Koji Yokoyama

Ricoh Company: 8 patents #2,692 of 9,818Top 30%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
SY Sysmex: 2 patents #337 of 868Top 40%
NC Nippon Yusoki Co.: 2 patents #5 of 37Top 15%
KK Kanetsu Kogyo Kabushiki Kaisha: 1 patents #8 of 12Top 70%
SC Stella Chemifa: 1 patents #47 of 80Top 60%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
KA Kao: 1 patents #1,961 of 3,221Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
📍 Rifu, JP: #148 of 2,101 inventorsTop 8%
Overall (All Time): #190,887 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12424390 Electrolytic capacitor and method for producing same Shinji Kondou, Kazuya Yamasaki, Takashi Kawasaki, Hitoshi Ishimoto, Yoshihisa Nagasaki +1 more 2025-09-23
RE49236 Contact device and electromagnetic relay Satoshi Sakai 2022-10-04
10314301 Method of preserving cells Noriko Oka, Masakatsu Morita, Yuka Yamamoto 2019-06-11
10151696 Method for determining abnormality in particle analyzer and particle analyzer Hiromi Morisaki 2018-12-11
10046971 Nitrogen-containing carbon material and method of manufacturing the same Kazuyuki Tohji, Yoshinori Sato, Kazutaka Hirano 2018-08-14
9921212 Preventive and therapeutic drug for cartilaginous hyperplasia and method of screening for the same Junya Toguchida, Ryuta Nishikomori, Makoto Ikeya, Toshio Heike 2018-03-20
9799474 Contactor and electromagnetic relay Satoshi Sakai 2017-10-24
9679707 Contact device and electromagnetic relay Satoshi Sakai 2017-06-13
9339448 Emulsion composition Kazuhiro Kaizu 2016-05-17
9338360 Imaging apparatus Junichi Shinohara, Mayu Takano, Hiroshi Morohoshi 2016-05-10
8639103 Imaging apparatus Junichi Shinohara, Mayu Takano, Hiroshi Morohoshi 2014-01-28
8422873 Imaging apparatus Junichi Shinohara, Mayu Takano, Hiroshi Morohoshi 2013-04-16
8204369 Imaging apparatus Junichi Shinohara, Mayu Takano, Hiroshi Morohoshi 2012-06-19
7907836 Imaging apparatus Junichi Shinohara, Mayu Takano, Hiroshi Morohoshi 2011-03-15
7442075 Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism 2008-10-28
7247048 Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism 2007-07-24
7165819 Lift truck 2007-01-23
6940415 Reach type forklift truck Kazuhiro Nagata, Youich Hiraki 2005-09-06
6268562 Sealed container and method for assembling it Hideaki Satou, Minoru Sakaguchi 2001-07-31
6067172 Terminal coupled to integrated services digital network having confirmation call operation 2000-05-23
4462059 Demagnetizing power source Kikuo Yamagami 1984-07-24
4372947 Antibiotic saframycin S and process for producing the same Tadashi Arai, Katsuhiro Takahashi, Kimiko Ishiguro 1983-02-08