KY

Katsuhiko Yamaguchi

TO Toyota: 37 patents #355 of 26,838Top 2%
OH Ohara: 14 patents #7 of 89Top 8%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
KA Kao: 5 patents #670 of 3,221Top 25%
NC Nitto Electric Industrial Co.: 4 patents #19 of 298Top 7%
KO Kabushiki Kaisya Ohara: 4 patents #2 of 12Top 20%
DE Denso: 2 patents #4,986 of 11,792Top 45%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Nisshin, JP: #4 of 24 inventorsTop 20%
Overall (All Time): #29,325 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
6099393 Polishing method for semiconductors and apparatus therefor Soichi Katagiri, Shigeo Moriyama, Kan Yasui 2000-08-08
6067801 Power output apparatus and method of controlling the same Osamu Harada, Yasuyuki Shibata 2000-05-30
6034011 Glass-ceramic substrate for a magnetic head and a method for manufacturing the same Naoyuki Goto 2000-03-07
5991683 Power output apparatus and method of controlling the same Toshifumi Takaoka, Takahiro Nishigaki, Masakiyo Kojima, Hiroshi Kanai, Kenichi Nagase +3 more 1999-11-23
5985777 Glass-ceramic substrate for a magnetic disk 1999-11-16
5967940 Method and apparatus for reducing backlash sound in gear mechanism 1999-10-19
5895767 Crystallized glass and method for manufacturing the same Naoyuki Goto 1999-04-20
5866489 Glass-ceramic substrate for a magnetic disk 1999-02-02
5863909 Adjuvant composition for agricultural chemicals and method for enhancing the efficacy of agricultural chemical Kazuhiko Kurita, Keiko Hasebe, Masaharu Hayashi, Yuichi Hioki 1999-01-26
5626935 Magnetic disk substrate and method for manufacturing the same Naoyuki Goto 1997-05-06
5580363 Method for detecting a defect in a glass-ceramic for magnetic disks Naoyuki Goto, Yasuyuki Kawashima 1996-12-03
5567217 Method for manufacturing a crystalized glass magnetic disk substrate Naoyuki Goto 1996-10-22
5391522 Glass-ceramic for magnetic disks and method for manufacturing the same Naoyuki Goto 1995-02-21
5332700 High dispersion optical glass Futoshi Ishizaki, Naoyuki Goto, Hisao Yatsuda, Goro Enomoto, Hideo Yasui 1994-07-26
5320987 Optical glass Tatsuya Senoo, Muneo Nakahara 1994-06-14
5300467 Optical glass Futoshi Ishizaki, Muneo Nakahara, Hiroshi Shishido 1994-04-05
4569885 Polyester film for forming printed circuit Seiki Kobayashi, Yasufumi Miyake, Akio Tsumura 1986-02-11
4520075 Siloxane-modified polyimide precursor and polyimide Kazumasa Igarashi, Kazuo Iko, Kazuyuki Miki 1985-05-28
4499252 Process for producing polyimide precursor Kazumasa Igarashi, Munekazu Tanaka 1985-02-12
4183835 Salts of a basic nitrogenous compound as stabilizers for neutralized polyamide-acid resin Yasuhiro Suzuki, Makoto Komima, Hiroshi Shibata 1980-01-15