Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EM

Eiichi Murakami — 64 Patents

Canon: 19 patents #3,464 of 19,416Top 20%
Hitachi: 16 patents #2,438 of 28,497Top 9%
ACAtsuden Co.: 8 patents #1 of 4Top 25%
RTRenesas Technology: 6 patents #492 of 3,337Top 15%
RERenesas Electronics: 4 patents #1,016 of 4,529Top 25%
TLTeijin Limited: 2 patents #572 of 1,631Top 40%
NKNitto Kogyo: 1 patents #22 of 53Top 45%
ATAgency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #34,778 of 4,157,543Top 1%
64 Patents All Time

Issued Patents All Time

Showing 26–50 of 64 patents

Patent #TitleCo-InventorsDate
7023561 Exposure apparatus with interferometer Osamu Kakuchi 2006-04-04
6962825 Exposure apparatus 2005-11-08
6953728 Semiconductor device and method of manufacturing thereof Akio Nishida, Kazunori Umeda, Kousuke Okuyama, Toshiaki Yamanaka, Jiro Yugami +1 more 2005-10-11
6924881 Projection exposure apparatus Osamu Kakuchi 2005-08-02
6826442 Stocker, exposure apparatus, device manufacturing method, semiconductor manufacturing factory, and exposure apparatus maintenance method Seiji Takeuchi 2004-11-30
6795161 Exposure apparatus, method of manufacturing semiconductor devices and plant therefor Masaya Ogura, Nobuaki Ogushi 2004-09-21
6727146 Semiconductor device and method of manufacturing thereof Akio Nishida, Kazunori Umeda, Kousuke Okuyama, Toshiaki Yamanaka, Jiro Yugami +1 more 2004-04-27
6677194 Method of manufacturing a semiconductor integrated circuit device Toshiaki Yamanaka, Akio Nishida, Yasuko Yoshida, Shuji Ikeda, Kenichi Kuroda +4 more 2004-01-13
6633362 Projection exposure apparatus Osamu Kakuchi 2003-10-14
6614535 Exposure apparatus with interferometer Osamu Kakuchi 2003-09-02
6611376 Diffractive optical element and method of manufacturing the same Seiji Takeuchi 2003-08-26
6569608 Method of manufacturing an element with multiple-level surface Ichiro Tanaka 2003-05-27
6099598 Fabrication system and fabrication method Natsuki Yokoyama, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Yoshio Kawamura 2000-08-08
5896596 Apparatus for generating massaging water stream 1999-04-27
5858863 Fabrication system and method having inter-apparatus transporter Natsuki Yokoyama, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Yoshio Kawamura 1999-01-12
5820679 Fabrication system and method having inter-apparatus transporter Natsuki Yokoyama, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Yoshio Kawamura 1998-10-13
5751404 Exposure apparatus and method wherein alignment is carried out by comparing marks which are incident on both reticle stage and wafer stage reference plates Fumio Sakai, Shigeyuki Uzawa, Shigeki Ogawa, Tetsuya Mori 1998-05-12
5695897 Alignment method and semiconductor exposure method Noriyuki Mitome, Shigeyuki Uzawa 1997-12-09
5689494 Surface atom fabrication method and apparatus Masakazu Ichikawa, Shigeyuki Hosoki, Fumihiko Uchida, Shigeo Kato, Yoshihisa Fujisaki +5 more 1997-11-18
5601686 Wafer transport method Yoshio Kawamura, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Natsuki Yokoyama +2 more 1997-02-11
5594549 Position detecting method and projection exposure apparatus using the same Tetsuya Mori, Hirohiko Shinonaga 1997-01-14
5562800 Wafer transport method Yoshio Kawamura, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Natsuki Yokoyama +2 more 1996-10-08
5543356 Method of impurity doping into semiconductor Shin'icniro Kimura 1996-08-06
5416331 Surface atom fabrication method and apparatus Masakazu Ichikawa, Shigeyuki Hosoki, Fumihiko Uchida, Shigeo Kato, Yoshihisa Fujisaki +5 more 1995-05-16
5338942 Semiconductor projections having layers with different lattice constants Akio Nishida, Kiyokazu Nakagawa 1994-08-16