IO

Issei Okada

Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
SC Sumitomo Electric Printed Circuits: 6 patents #15 of 116Top 15%
NI Nissan Chemical Industries: 1 patents #655 of 1,150Top 60%
Overall (All Time): #342,334 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11752734 Base material for printed circuit board and printed circuit board Motohiko SUGIURA, Kenji Ohki 2023-09-12
11465208 Method of manufacturing copper nano-ink and copper nano-ink Motohiko SUGIURA, Hiroki Kakudo 2022-10-11
11013113 Base material for printed circuit board and printed circuit board Motohiko SUGIURA, Takashi Kasuga, Yoshio Oka, Kenji Ohki 2021-05-18
10796812 Coating liquid for forming conductive layer, method for producing conductive layer, and conductive layer Motohiko SUGIURA, Yoshio Oka, Atsushi Kimura, Kenji Ohki 2020-10-06
10610928 Powder for conductive material, ink for conductive material, conductive paste, and method for producing powder for conductive material Motohiko SUGIURA, Yoshio Oka, Kenji Ohki 2020-04-07
10307825 Metal powder, ink, sintered body, substrate for printed circuit board, and method for manufacturing metal powder Yoshio Oka, Takashi Kasuga, Yasuhiro Okuda, Jinjoo Park, Kousuke Miura +1 more 2019-06-04
9967976 Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board Kazuhiro MIYATA, Takashi Kasuga, Yoshio Oka, Yasuhiro Okuda, Jinjoo Park +2 more 2018-05-08
8507104 Metal coating, forming method thereof, and metal wiring Kohei Shimoda 2013-08-13
8026185 Method for manufacturing electronic circuit component Shinichi Maeda, Go Ono, Kohei Shimoda 2011-09-27
7691175 Granular metal powder Kohei Shimoda, Masatoshi Majima 2010-04-06
7608203 Metallic colloidal solution and inkjet-use metallic ink Kohei Shimoda 2009-10-27
7510592 Method of producing metal powder Masatoshi Majima, Kohei Shimoda, Masahiro Yamakawa, Takashi Kasuga 2009-03-31
7445731 Metallic colloidal solution and inkjet-use metallic ink Kohei Shimoda 2008-11-04
7285152 Method of manufacturing chain-structure metal powder Kohei Shimoda, Masatoshi Majima, Keiji Koyama, Tetsuya Kuwabara 2007-10-23