KN

Katsumi Nagano

TO Toshiba: 39 patents #1 of 2,688Top 1%
Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
NT Ntn: 4 patents #361 of 1,364Top 30%
NC NS Sumikin Chemical: 2 patents #40 of 144Top 30%
SC Sankyo Seiki Mfg. Co.: 2 patents #61 of 244Top 25%
TC Taiho Industries Co.: 2 patents #14 of 65Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NC Nippon Steel Chemical Co.: 2 patents #60 of 380Top 20%
Canon: 1 patents #14,899 of 19,416Top 80%
TI Takasago International: 1 patents #239 of 465Top 55%
SS Sankyo Seiki Seisakusho: 1 patents #122 of 287Top 45%
📍 Yokohama, JP: #111 of 480 inventorsTop 25%
Overall (All Time): #19,337 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 1–25 of 87 patents

Patent #TitleCo-InventorsDate
8889608 Lubricating oil composition Tadashi Kuratomi 2014-11-18
8889607 Lubricating oil composition Tadashi Kuratomi 2014-11-18
8250490 Display image control apparatus Masato Fujiwara, Naoto Kagaya, Toru Kikuchi, Masaji Munekuni 2012-08-21
8153569 Lubricant base oil Tadashi Kuratomi 2012-04-10
8132965 Hydrodynamic type oil-impregnated sintered bearing Natsuhiko Mori, Yoshihiko Oeda 2012-03-13
7988361 Hydrodynamic type oil-impregnated sintered bearing Natsuhiko Mori, Yoshihiko Oeda 2011-08-02
6903056 Fluid bearing unit and lubricating oil composition for bearing Yoshihiko Oeda, Hidenobu Mikami, Tetsuya Kurimura 2005-06-07
6673750 Lubricating composition Masakazu Hirata, Atsushi Morooka, Hidenobu Mikami, Toshiyuki Mizutani, Seiichi Takada +2 more 2004-01-06
D436939 Mobile phone Takahiro Iijima, Kazutoshi Masunari 2001-01-30
D436090 Mobile phone Takahiro Iijima, Kazutoshi Masunari 2001-01-09
D427983 Mobile phone Morio Iwasaki 2000-07-11
D423504 Pager Hiroki Nishii, Morio Iwasaki 2000-04-25
D409190 Wireless telephone Masao Tamura, Hiroki Nishii, Toshiro Iizuka 1999-05-04
D408399 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-20
D408032 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-13
D407720 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-06
D407719 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-06
D407721 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-06
D407722 Wireless telephone Hiroki Nishii, Toshiro Iizuka, Masao Tamura, Morio Iwasaki 1999-04-06
D406135 Wireless telephone Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1999-02-23
D402805 Pager case Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1998-12-22
D402982 Wireless telephone Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1998-12-22
D402656 Pager Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1998-12-15
D395655 Pager Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1998-06-30
D394859 Pager Hiroki Nishii, Masao Tamura, Toshiro Iizuka 1998-06-02