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Akira Doi

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
NC Nissin Electric Co.: 6 patents #13 of 208Top 7%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MK Morikawa Sangyo Kabushiki Kaisha: 3 patents #1 of 10Top 10%
VM Via Mechanics: 3 patents #2 of 34Top 6%
HH Hitachi High-Technologies: 2 patents #456 of 1,200Top 40%
HM Hitachi Via Mechanics: 2 patents #20 of 109Top 20%
FH Fuji Oil Holdings: 2 patents #101 of 368Top 30%
MI Morikawa Industries: 1 patents #8 of 19Top 45%
KA Kao: 1 patents #1,961 of 3,221Top 65%
Overall (All Time): #78,999 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
12174360 Imaging mechanism and sample analyzing apparatus provided with the same Toshifumi MITSUYAMA, Hitoshi Miyata, Tomohiro Shoji 2024-12-24
11342211 Wafer inspection apparatus and wafer inspection method Minoru Sasaki, Masaki Hasegawa, Hironori Ogawa, Tomohiko Ogata, Yuko Okada 2022-05-24
9030060 Galvanoscanner and laser processing machine Akihiro Yamamoto, Daisuke Matsuka, Souichi Toyama, Hiroyuki Sugawara 2015-05-12
9030061 Galvanoscanner and laser processing machine Akihiro Yamamoto, Daisuke Matsuka, Souichi Toyama, Hiroyuki Sugawara 2015-05-12
8780429 Galvanoscanner and laser processing machine Akihiro Yamamoto, Daisuke Matsuka, Souichi Toyama, Hiroyuki Sugawara 2014-07-15
7673668 Spherical casting sand Mikio Sakaguchi, Shigeo Nakai, Kazuhiko Kiuchi 2010-03-09
7635860 Manufacturing method of organic thin-film transistors and equipment for manufacturing the same Tomohiro Inoue, Masahiko Ando 2009-12-22
7629714 Rocking actuator and laser machining apparatus Souichi Toyama, Kounosuke Kitamura, Hiromu Hirai, Kenta Seki, Yoshiaki Kano 2009-12-08
7612479 Scanner for equalizing torque constant and reducing torque constant variation Haruaki Otsuki, Atsushi Sakamoto, Souichi Toyama, Yaichi Okubo 2009-11-03
6893720 Object coated with carbon film and method of manufacturing the same Takahiro Nakahigashi, Yoshihiro Izumi, Hajime Kuwahara 2005-05-17
6846363 Plasma processing apparatus and method Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka +4 more 2005-01-25
6833051 Plasma processing apparatus and method Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka +4 more 2004-12-21
6756737 Plasma processing apparatus and method Ken Yoshioka, Manabu Edamura, Hideyuki Kazumi, Saburou Kanai, Tsutomu Tetsuka +3 more 2004-06-29
6564744 Plasma CVD method and apparatus Takahiro Nakahigashi, Yoshihiro Izumi, Hajime Kuwahara 2003-05-20
6506662 Method for forming an SOI substrate by use of a plasma ion irradiation Atsushi Ogura, Youichirou Numasawa, Masayasu Tanjyo 2003-01-14
6499424 Plasma processing apparatus and method Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka +4 more 2002-12-31
6481370 Plasma processsing apparatus Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka +4 more 2002-11-19
6465057 Plasma CVD method and apparatus Takahiro Nakahigashi, Yoshihiro Izumi, Hajime Kuwahara 2002-10-15
6388382 Plasma processing apparatus and method Ken Yoshioka, Manabu Edamura, Hideyuki Kazumi, Saburou Kanai, Tsutomu Tetsuka +3 more 2002-05-14
6180019 Plasma processing apparatus and method Hideyuki Kazumi, Tsutomu Tetsuka, Ryoji Nishio, Masatsugu Arai, Ken Yoshioka +4 more 2001-01-30
6136386 Method of coating polymer or glass objects with carbon films Takahiro Nakahigashi, Yoshihiro Izumi, Hajime Kuwahara 2000-10-24
6076598 Opposed flow heat exchanger Kunihiko Kaga, Hiroyuki Akita, Hidemoto Arai, Youichi Sugiyama 2000-06-20
6032730 Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger Hiroyuki Akita, Hidemoto Arai, Yoichi Sugiyama, Shinji Nakamoto, Kunihiko Kaga 2000-03-07
6023025 Electric wire and manufacturing method thereof Takahiro Nakahigashi 2000-02-08
5938527 Air ventilation or air supply system Takeharu Oshima, Satoru Kotoh, Yachiyo Imamura, Isao Tachibana, Shigeki Kobayashi 1999-08-17