HI

Hiroyuki Ishiguro

Ngk Spark Plug Co.: 14 patents #106 of 1,594Top 7%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
KL Kyushu Fujitsu Electronics Limited: 4 patents #14 of 75Top 20%
DL Denka Company Limited: 2 patents #135 of 434Top 35%
JC Japan Storage Battery Co.: 1 patents #91 of 170Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
DE Denso: 1 patents #6,940 of 11,792Top 60%
GI Gs Yuasa International: 1 patents #283 of 491Top 60%
Overall (All Time): #153,522 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
11390729 Rubber composition, vulcanized rubber, and molded article of said vulcanized rubber Takashi Sunada, Yasushi Abe 2022-07-19
9825303 Storage battery grid, method of manufacturing storage battery grid, and storage battery using storage battery grid Kiyoshi Nouzuka, Kazuma Saito, Kohei Fujita, Shota Iwasaki, Junichi Nishizawa 2017-11-21
9574062 Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubber Yasushi Abe 2017-02-21
8530547 Chloroprene rubber composition and its application Yasushi Abe 2013-09-10
7400081 Compact spark plug with high gas tightness 2008-07-15
6700603 Inspection system for inspecting discrete wiring patterns formed on a continuous substrate sheet of a flexible material Tetsuya Okuchi, Yoshio Mori, Takeshi Kitamura 2004-03-02
6455191 Connecting part for connecting internal components of lead acid battery Takao Omae 2002-09-24
6111306 Semiconductor device and method of producing the same and semiconductor device unit and method of producing the same Toshimi Kawahara, Sinya Nakaseko, Mitsunada Osawa, Mayumi Osumi, Yoshitugu Katoh +3 more 2000-08-29
6034428 Semiconductor integrated circuit device having stacked wiring and insulating layers Toshimi Kawahara, Mitsunada Osawa, Shinichirou Taniguchi, Mayumi Osumi, Shinya Nakaseko +2 more 2000-03-07
5849165 Oxygen sensor for preventing silicon poisoning Takao Kojima, Masaru Yamano, Toshiki Sawada, Kazuo Taguchi, Masahiko Yamada +1 more 1998-12-15
5844309 Adhesive composition, semiconductor device using the composition and method for producing a semiconductor device using the composition Yukio Takigawa, Shigeaki Yagi, Toshimi Kawahara, Mitsunada Osawa, Shinya Nakaseko +2 more 1998-12-01
5804467 Semiconductor device and method of producing the same Toshimi Kawahara, Shinya Nakaseko, Mitsunada Osawa, Shinichirou Taniguchi, Mayumi Osumi +2 more 1998-09-08
5679978 Semiconductor device having resin gate hole through substrate for resin encapsulation Toshimi Kawahara, Shinya Nakaseko, Mitsunada Osawa, Shinichirou Taniguchi, Mayumi Osumi +2 more 1997-10-21
5443711 Oxygen-sensor element Takao Kojima, Masaru Yamano, Noriaki Kondo, Masahiko Yamada, Toshiki Sawada 1995-08-22
5326597 Method of producing oxygen sensor for air-fuel ratio control having a protective layer including oxygen storage material Toshiki Sawada, Masaru Yamano, Kazuo Taguchi, Takao Kojima, Masahiko Yamada 1994-07-05
5160598 Oxygen sensor for air-fuel ratio control having a protective layer including an oxygen storage material Toshiki Sawada, Masaru Yamano, Kazuo Taguchi, Takao Kojima, Masahiko Yamada 1992-11-03
5122487 Solid electrolyte of partially stabilized zirconia and method of producing same Nobuhiro Hayakawa, Takeshi Kitano, Yutaka Adachi 1992-06-16
5110442 Reinforced electrolyte function elements Takao Kojima, Yoshiki Kawachi, Tetsusyo Yamada 1992-05-05
5047137 Solid electrolyte air/fuel ratio sensor with voltage control Tetsusyo Yamada, Takao Kojima, Yoshihide Kami 1991-09-10
4863584 Apparatus for sensing air-fuel ratio Takao Kojima, Yoshihide Kami 1989-09-05
4806739 Plate-like ceramic heater Takao Kojima, Yoshiki Kawachi, Tetsusyo Yamada 1989-02-21
4747930 Air/fuel ratio sensor Takao Kojima, Yoshihide Kami 1988-05-31
4733056 Heater backed with a ceramic substrate Takao Kojima 1988-03-22
4713166 Pump cell element for air-fuel ratio sensor Takao Kojima 1987-12-15
4629549 Oxygen sensor Takao Kojima, Yutaka Nakayama, Tetsusyo Yamada 1986-12-16