MS

Masaki Shinkawa

HC Harada Industry Co.: 12 patents #1 of 119Top 1%
HK Harada Kogyo: 7 patents #4 of 41Top 10%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
DT Daido Tokushuko: 3 patents #51 of 382Top 15%
IC Ishida Co.: 2 patents #120 of 307Top 40%
DC Daido Steel Co.: 1 patents #95 of 272Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Ritto, JP: #8 of 205 inventorsTop 4%
Overall (All Time): #116,343 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12358674 Bag-making and packaging machine Masayuki Yamane, Satoshi Hashimoto, Ryota NAGASHIMA, Yuchuan TONG, Tomoko KOIKE +3 more 2025-07-15
12123083 Austenitic non-magnetic steel, powder metal material for additive manufacturing, and method for producing austenitic non-magnetic steel Kazuo Kikawa 2024-10-22
12053819 Powder metal material for additive manufacturing and method for producing non-magnetic steel Kazuo Kikawa 2024-08-06
12037664 Iron alloy manufacturing method Kazuo Kikawa 2024-07-16
11992877 Powder metal material for additive manufacturing and method for producing non-magnetic steel Kazuo Kikawa 2024-05-28
11208222 Bag-making and packaging machine Takafumi SHIMODA, Ryota NAGASHIMA, Satoshi Hashimoto, Makoto Ichikawa, Yuchuan TONG 2021-12-28
10364859 Bush for vehicle 2019-07-30
8133632 Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell using the same, polymer electrolyte fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell Shinobu Takagi, Mikio Ura, Shinichi Yagi, Yasushi Kaneta, Tatsuo Hisada 2012-03-13
7976651 Weldable steel of high strength and high toughness, and method of producing members using the same Masanao Fujiwara, Hiroaki Yoshida, Yoshikazu Umeno, Toshiaki Otsuka 2011-07-12
7597987 Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell Shinobu Takagi, Mikio Ura, Shinichi Yagi, Yasushi Kaneta, Tatsuo Hisada 2009-10-06
6893289 Antenna cord plug structure 2005-05-17
6791501 Vehicle roof mount antenna Hiroyuki Maeda, Junichi Kohinata, Morihiro Inomata, Yasuyuki Shigefuji, Hitoshi Otsuka 2004-09-14
6699593 Corrosion-resistant metallic member, metallic separator for fuel cell comprising the same, and process for production thereof Yasushi Kaneta, Shinobu Takagi, Hiroaki Yoshida, Yoshihisa Suzuki 2004-03-02
6608265 Switch box for vehicle door lock device 2003-08-19
6308587 Actuator for vehicle-door locking mechanism Yutaro Tanaka 2001-10-30
6043796 Clutch for motor driven antenna Shinichi Saito 2000-03-28
5929826 Motor driven antenna apparatus for use in automobiles Toru Sasaki, Junichi Kawahata 1999-07-27
5917452 Noise reducing rod vehicle antenna Jiro Harada, Shinichi Saito, Hiroyoshi Kojima 1999-06-29
D405452 Automobile antenna Ryouichi Miyakawa, Hiroshi Komachi, Takashi Sakoda 1999-02-09
D391261 Antenna mast for an automobile Jiro Harada, Shinichi Saito, Hiroyoshi Kojima 1998-02-24
D387355 Antenna assembly Ryouichi Miyakawa 1997-12-09
5642123 Apparatus for electrically driving a retractable antenna 1997-06-24
5414436 Electric extensible car antenna Misao Kimura 1995-05-09
5370334 Apparatus for driving rod antenna element for expansion/contraction Nobuhiko Suzuki, Manabu Sakakibara, Norifumi Ogawa 1994-12-06
5359335 Automobile antenna Yoshimi Egashira 1994-10-25