KA

Koji Akioka

SE Seiko Epson: 36 patents #358 of 7,774Top 5%
NS Nippon Steel: 6 patents #412 of 4,423Top 10%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #70,181 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
12163245 Titanium material and coated titanium material Kazuhiro Takahashi, Eiji Ikeda, Hideya Kaminaka 2024-12-10
11028276 Surface-treated metal sheet, coated member, and method for producing coated member Yasuaki Kawamura, Akihiro Sengoku, Yoichiro Mori 2021-06-08
10987695 Hot-dip zinc-based plated steel sheet Yasuaki Kawamura, Akihiro Sengoku 2021-04-27
10851465 Zinc-based plated steel sheet Yasuaki Kawamura, Akihiro Sengoku 2020-12-01
10549506 Hot-dip zinc-based plated steel sheet Yasuaki Kawamura, Akihiro Sengoku 2020-02-04
10370735 Heat treated steel product having high strength and excellent chemical conversion coating ability and method of production of same Hideki Matsuda, Kazuo Uematsu 2019-08-06
8080355 Liquid developer and image forming apparatus Takashi Teshima, Ken Ikuma 2011-12-20
8021815 Liquid developer and image forming device 2011-09-20
7943282 Liquid developer and image forming apparatus Takashi Teshima, Satoru Miura, Shunichiro YAMANAKA, Ken Ikuma 2011-05-17
7932009 Liquid developer and image forming apparatus Ken Ikuma 2011-04-26
7883825 Image forming apparatus and method for forming an image on a recording medium 2011-02-08
7862976 Liquid developer and image forming apparatus Satoru Miura, Hiroshi Kaiho, Takashi Teshima, Ken Ikuma 2011-01-04
7756444 Liquid Developer Takashi Teshima 2010-07-13
7723005 Liquid developer Nobuhiro Miyakawa, Takashi Teshima, Satoru Miura 2010-05-25
7608376 Method of manufacturing liquid developer, liquid developer, and image forming apparatus Satoru Miura, Hiroshi Kaiho, Takashi Teshima, Ken Ikuma 2009-10-27
7595140 Liquid developer and image forming apparatus Ken Ikuma 2009-09-29
7563550 Liquid developer and image forming apparatus Takashi Teshima 2009-07-21
7556907 Liquid developer Takashi Teshima 2009-07-07
7514145 Method and apparatus for producing resin particles using granulation-prevention agent, and resin particles produced by the method Toshiaki Yamagami, Hiroshi Kaiho, Ken Ikuma 2009-04-07
7247414 Method for producing resin particles and toner using the resin particles Satoru Miura, Ken Ikuma 2007-07-24
6527971 Rare-earth bonded magnet, rare-earth bonded magnet composition, and method of manufacturing the rare-earth bonded magnet Yoshiki Nakamura 2003-03-04
6500374 Method of manufacturing bonded magnets of rare earth metal, and bonded magnet of rare earth metal Hayato SHIRAI, Ken Ikuma 2002-12-31
6464940 pH sensor and pH measurement method employing the same Akira Sanjoh 2002-10-15
6387293 Composition for rare earth bonded magnet use, rare earth bonded magnet and method for manufacturing rare earth bonded magnet Yoshiki Nakamura, Ken Ikuma 2002-05-14
6143193 Rare earth bonded magnet, rare earth magnetic composition, and method for manufacturing rare earth bonded magnet Hayato SHIRAI, Ken Ikuma, Mitsuru Takei, Yoshiki Nakamura 2000-11-07