SO

Shuji Okada

SC Sumitomo Metal Mining Co.: 4 patents #155 of 736Top 25%
MI Ministry Of International Trade & Industry: 2 patents #91 of 582Top 20%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
MC Maruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
AR Arkray: 1 patents #203 of 354Top 60%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
📍 Yamagata, JP: #35 of 482 inventorsTop 8%
Overall (All Time): #406,589 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11608543 Oxide ore smelting method Takashi Iseki, Yukihiro Goda, Jun Kobayashi 2023-03-21
11479832 Method for smelting oxide ore Takashi Iseki, Yukihiro Goda, Jun Kobayashi 2022-10-25
10626480 Method for smelting oxide ore Takashi Iseki, Yukihiro Goda, Jun Kobayashi 2020-04-21
9487484 Stilbazolium derivative and nonlinear optical material using the same Kazuyoshi Aoki 2016-11-08
8383034 Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness Kunio Fukuda, Yoshimasa Funakawa, Toshihiro Kasamo, Katsuhiro Kobori, Takumi Ujiro +1 more 2013-02-26
7396560 Method for preparing organic-inorganic composite microcrystal Hachiro Nakanishi, Hidetoshi Oikawa, Hitoshi Kasai 2008-07-08
7186289 Nickel powder and production method therefor Toshihiro Kato, Shoji Futaki 2007-03-06
6013748 Aromatic ester compound and second-order non-linear optical material therewith Hiroo Matsuda, Takashi Fukuda, Shinji Yamada, Tatsumi Kimura, Masao Kato +2 more 2000-01-11
5281250 Powder material for rare earth-iron-boron based permanent magnets Atsushi Hamamura, Katsumi Okayama, Yuji Kaneko, Yasuhiro Okajima, Kaname Takeya 1994-01-25
5182011 Process for preparing pitches Masatoshi Tsuchitani, Makoto Tamura, Kiyotaka Suzuki, Ryoichi Nakajima, Sakae Naito 1993-01-26
5057248 Method for production of polymeric nonlinear optical material Hiroo Matsuda, Hachiro Nakanishi, Masao Kato 1991-10-15
5003569 Method using x-rays to determine thickness of organic films Hiro Matsuda, Hachiro Nakanishi, Masao Kato 1991-03-26