SO

Shigeo Onishi

Sharp Kabushiki Kaisha: 30 patents #451 of 10,731Top 5%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
VF Vallourec Mannesmann Oil & Gas France: 2 patents #24 of 81Top 30%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
VF Vallourec Oil And Gas France: 1 patents #75 of 144Top 55%
📍 Nara, JP: #93 of 2,795 inventorsTop 4%
Overall (All Time): #108,633 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
8857857 Threaded joint for steel pipes Kunio Goto, Shigeo Nagasaku, Hiroaki Ikegami 2014-10-14
8276946 Threaded joint for steel tubes Masanari Kimoto, Kunio Goto, Masaru Takahashi, Kunihiro Fukui, Shigeo Nagasaku +2 more 2012-10-02
7740285 Threaded joint for steel pipes Shigeo Nagasaku, Kunio Goto, Hiroaki Ikegami 2010-06-22
6881643 Semiconductor device producing method and semiconductor device 2005-04-19
5965942 Semiconductor memory device with amorphous diffusion barrier between capacitor and plug Yasuyuki Itoh, Jun Kudo, Keizo Sakiyama 1999-10-12
5858851 Manufacturing method of electrode Satoru Yamagata, Jun Kudo 1999-01-12
5854104 Process for fabricating nonvolatile semiconductor memory device having a ferroelectric capacitor Takao Kinoshita, Jun Kudo 1998-12-29
5776356 Method for etching ferroelectric film Seiichi Yokoyama, Yasuyuki Itoh, Jun Kudo, Keizo Sakiyama, Hitoshi Urashima 1998-07-07
5708284 Non-volatile random access memory 1998-01-13
5638319 Non-volatile random access memory and fabrication method thereof Kazuya Ishihara 1997-06-10
5515984 Method for etching PT film Seiichi Yokoyama, Yasuyuki Ito, Jun Kudo, Keizo Sakiyama 1996-05-14
5443030 Crystallizing method of ferroelectric film Kazuya Ishihara, Masaya Komai 1995-08-22
5420079 Process for producing semiconductor device comprising two step annealing treatment Akitsu Ayukawa, Kenichi Tanaka 1995-05-30
5416735 Non-volatile random access memory with ferroelectric capacitor Kenichi Tanaka, Keizo Sakiyama 1995-05-16
5414653 Non-volatile random access memory having a high load device Kazuya Ishihara, Kenichi Tanaka, Keizo Sakiyama 1995-05-09
5414654 Driving circuit of a ferroelectric memory device and a method for driving the same Yasushi Kubota 1995-05-09
5397446 Method of forming a ferroelectric film Kazuya Ishihara 1995-03-14
5383151 Dynamic random access memory Kenichi Tanaka, Keizo Sakiyama 1995-01-17
5379718 Method for forming a titanium thin film 1995-01-10
5357460 Semiconductor memory device having two transistors and at least one ferroelectric film capacitor Tatsushi Yusuki, Kenichi Tanaka, Keizo Sakiyama, Katsuji Iguchi 1994-10-18
5348900 Process for manufacturing a semiconductor device including heat treatment in ammonia or oxygen Akitsu Ayukawa 1994-09-20
5322810 Method for manufacturing a semiconductor device Akitsu Ayukawa, Hiroshi Ishihara 1994-06-21
5312774 Method for manufacturing a semiconductor device comprising titanium Kazuyo Nakamura, Keiichiro Uda, Osamu Yamazaki, Hiromi Hattori, Nobutaka Fukushima 1994-05-17
5298446 Process for producing semiconductor device Akitsu Ayukawa, Kenichi Tanaka 1994-03-29
5293075 Semiconductor device with PZT/PLZT film and lead-containing electrode Kazuya Ishihara, Keizo Sakiyama 1994-03-08