AS

Akihiro Sakamoto

NS Nippon Steel: 6 patents #412 of 4,423Top 10%
NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nihon Micro Coating Co.: 2 patents #19 of 68Top 30%
TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
KA Kaneka: 1 patents #886 of 1,525Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
TL Teijin Chemicals Limited: 1 patents #80 of 196Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
TC Tombow Pencil Co.: 1 patents #17 of 53Top 35%
Overall (All Time): #137,282 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11745527 Pressure sensitive transfer correcting tape Keitaro Kobayashi, Kazuhisa Aoki 2023-09-05
11511326 Piercing machine, and method for producing seamless metal pipe using the same Yasuhiko Daimon, Haruka Obe 2022-11-29
11471923 Production method of seamless steel pipe Kouji Yamane, Kazuhiro Shimoda, Yuji Arai, Yasuhiko Daimon, Haruka Obe 2022-10-18
11344935 Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same Haruka Obe, Yasuhiko Daimon 2022-05-31
10861675 Plasma processing apparatus and plasma processing method Takao FUNAKUBO, Hirofumi Haga, Shinichi Kozuka, Wataru Ozawa, Naoki Taniguchi +2 more 2020-12-08
10625321 Cooling apparatus and cooling method for steel material Yoshihiro Serizawa, Masahito Tasaka, Naoaki Shimada, Ryuji Hamada, Hideki Matsuda +1 more 2020-04-21
10626475 Heat treatment apparatus, heat treatment method for steel workpiece, and hot bending method for steel workpiece Kazuo Uematsu, Hiroaki Kubota 2020-04-21
10407758 Steel for oil country tubular goods and method of producing the same Tomohiko Omura, Yuji Arai, Kaori Kawano, Kazuo Okamura, Kenji Yamamoto +3 more 2019-09-10
10204763 Plasma processing apparatus and plasma processing method Takao FUNAKUBO, Hirofumi Haga, Shinichi Kozuka, Wataru Ozawa, Naoki Taniguchi +2 more 2019-02-12
9909198 Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistance Tomohiko Omura, Yuji Arai, Kaori Kawano, Kazuo Okamura, Kenji Yamamoto +1 more 2018-03-06
9546408 Quenching method for steel pipe Kazuo Okamura, Kenji Yamamoto, Tomohiko Omura, Yuji Arai 2017-01-17
9181610 Air cooling equipment for heat treatment process for martensitic stainless steel pipe or tube Nobuyuki Mori 2015-11-10
8428907 Jitter calculating device, jitter calculating method and jitter calculating program 2013-04-23
8225546 Plant cultivation structure, root-preventing structure and root-preventing sheet used in them Kunio Tajima, Toru Kojima, Yoshiaki Gotou 2012-07-24
8049990 Cleaning tape and method of producing same Yuji Horie, Yasuyuki Yokota, Jun Tamura, Noriyuki Kumasaka 2011-11-01
8016642 Blasting device for steel pipe inner surface, blasting method for steel pipe inner surface, and method for producing steel pipe with excellent inner surface texture Yoshiyuki Kuroiwa 2011-09-13
7954887 Rear structure of vehicle Takero Kato, Masao Hitomi 2011-06-07
7838666 Water-dispersible cellulose and process for producing the same Yoshihito Yaginuma, Nobuyoshi Mochihara, Yurika Tanaka, Tetsuya Ootani, Kouichirou Enatsu +1 more 2010-11-23
7614183 Complex system of vegetation and solar cell Takuji Nomura, Yoshiteru Nitta, Tsuneo Tajima, Takayoshi Imai, Tooru Kojima +1 more 2009-11-10
7544379 Composite containing fine cellulose Yasushi Kawamura, Yuka Itou, Nobuyoshi Mochihara, Yoshihito Yaginuma, Kouichi Noda 2009-06-09
7243546 Acceleration sensor chip 2007-07-17
7237316 Method for fabricating a three-dimensional acceleration sensor 2007-07-03
6884300 Method of cleaning a probe Satoru Sato 2005-04-26
6686041 Coloring master pellet for optical molded article and colored optical disk substrate Hideo Ninomiya, Hisayoshi Shimizu 2004-02-03
6111035 Polymerization process using separated flow Shunyou Uesugi 2000-08-29