HT

Hiroyuki Tachikawa

FC Fuji Electric Fa Components & Systems Co.: 13 patents #9 of 113Top 8%
FC Fuji Electric Co.: 12 patents #181 of 2,643Top 7%
AK Asahi Denka Kogyo: 3 patents #18 of 196Top 10%
KO Konica: 1 patents #1,290 of 1,958Top 70%
AD Adeka: 1 patents #257 of 499Top 55%
TK Tokyo Keiki: 1 patents #60 of 166Top 40%
AK Asahi Denka Kogyo K.K.: 1 patents #47 of 162Top 30%
PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #222,186 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10840859 Amplification apparatus Takayuki Ushikubo, Shunichi Hirano 2020-11-17
10056200 Electromagnetic contactor Osamu Kashimura, Masaru Isozaki, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2018-08-21
9673008 Electromagnetic switch Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya 2017-06-06
9653222 Contact device, and electromagnetic switch in which the contact device is used Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yuji Shiba 2017-05-16
9543102 Electromagnetic switch and contact position regulating method thereof Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya 2017-01-10
9378914 Contact device and electromagnetic contactor using the same Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2016-06-28
9202652 Electromagnetic contactor Yasuhiro Naka, Kouetsu Takaya, Kenji Suzuki 2015-12-01
8901445 Magnetic contactor Masaru Isozaki, Yuji Shiba 2014-12-02
8853585 Electromagnetic contractor Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2014-10-07
8836456 Electromagnetic contactor Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2014-09-16
8816801 Contact mechanism and electromagnetic contactor using the same Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2014-08-26
8797129 Electromagnetic contactor Yasuhiro Naka, Kouetsu Takaya, Kenji Suzuki 2014-08-05
8760247 Electromagnetic contactor Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2014-06-24
8749331 Electromagnetic contactor Osamu Kashimura, Masaru Isozaki, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba 2014-06-10
7611817 Aromatic sulfonium salt compound, photo-acid generator comprising the same and photopolymerizable composition containing the same, resin composition for optical three-dimensional shaping, and method of optically forming three-dimensional shape Tetsuyuki Nakayashiki 2009-11-03
6368769 Aromatic sulfonium compounds, photoacid generators comprising the same, photopolymerizable compositions containing the same, stereolithographic resin compositions, and stereolithographic process Kazuo Ohkawa, Satoyuki Chikaoka 2002-04-09
6348523 Curable composition Kozaburo Takachika, Seiichi Saito, Nobuhiro Nagayama 2002-02-19
6319652 Energy beam curable epoxy resin composition Mitsuo Akutsu, Tetsuyuki Nakayashiki, Kazuo Ohkawa, Satoyuki Chikaoka 2001-11-20
5985510 Energy beam curable epoxy resin composition, stereolithographic resin composition and stereolithographic method Mitsuo Akutsu, Tetsuyuki Nakayashiki, Kazuo Ohkawa, Satoyuki Chikaoka 1999-11-16
5178996 Method of making photographic element having epoxy overlayer Tohru Kobayashi, Yasuo Nishi, Nakaya Nakano, Kazuo Ohkawa 1993-01-12