YK

Yoshihisa Katoh

TC Toshiba Ceramics Co.: 8 patents #9 of 458Top 2%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
FU Fuji: 1 patents #263 of 422Top 65%
FU Fukuoka University: 1 patents #12 of 64Top 20%
KZ Kabushiki Kaisha Zuken: 1 patents #9 of 29Top 35%
Overall (All Time): #455,978 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10721848 Manufacturing device, manufacturing management system, and manufacturing control program Hajime Tomokage, Hidemichi Kawase, Hiroshi Matsuoka, Hirohiko Matsuzawa, Kazuhiro Kusunoki +1 more 2020-07-21
6144124 Thin DC brushless motor having an air gap formed therein Fujio Nakagawa 2000-11-07
5789834 Spindle motor Fujio Nakagawa, Yasuo Sasaki 1998-08-04
5128107 Apparatus for making ester Takashi Ogawa, Mitsumasa Hasegawa 1992-07-07
5011603 Ceramic filter Takashi Ogawa, Mitsumasa Hasegawa 1991-04-30
4957625 Ceramic filter modules in series with piston backwash Takashi Ogawa, Mitsumasa Hasegawa, Masashi Fujimoto, Masaaki Hayashi 1990-09-18
4909950 Process and apparatus for separating solid-liquid compositions Takashi Ogawa, Yukihiko Nagao, Mitsumasa Hasegawa 1990-03-20
4897204 Process and apparatus for gas dissolution Takashi Ogawa, Masashi Fujimoto, Mitsumasa Hasegawa 1990-01-30
4863617 Process and apparatus for separating solid-liquid compositions Takashi Ogawa, Yukihiko Nagao, Mitsumasa Hasegawa 1989-09-05
4839488 Electric discharge machine using a ceramic filter to filter the working fluid Takashi Ogawa, Mitsumasa Hasegawa 1989-06-13
4751007 Method for filtering Bacillus subtilis Takeshi Kobayashi, Shinji Iijima, Toshiro Minami, Shunji Yasuda 1988-06-14