KT

Kozo Takamura

NC Nippondenso Co.: 15 patents #75 of 3,479Top 3%
DE Denso: 5 patents #2,617 of 11,792Top 25%
Overall (All Time): #225,782 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7309848 Sealing structure of ceramic heater Makoto Shirai, Kenji Fukaya 2007-12-18
7078659 Corrosion resistance structure of ceramic heater and gas sensor equipped with same Taiji Yokoyama, Makoto Shirai 2006-07-18
6891318 Structure of spark plug designed to provide higher durability and fabrication method thereof Tsunenobu Hori, Akihiko Mizutani, Hironori Osamura 2005-05-10
6676468 Method of producing a spark plug Hiroya Ishiguro, Toshikazu Shimizu 2004-01-13
6466123 Temperature sensor and method of manufacturing same Kaoru Kuzuoka 2002-10-15
5563469 Spark plug for internal combustion engine Yasuyuki Sato, Kiyoaki Tanaka 1996-10-08
5557158 Spark plug and method of producing the same Keiji Kanao 1996-09-17
5502352 Spark plug having horizontal discharge Akio Katoh 1996-03-26
5488262 Spark electrode having low thermal stress 1996-01-30
RE35012 Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends Yasuyuki Sato, Kanji Higuchi 1995-08-08
5406166 Long life spark plug having consumable discharge member Nobuo Abe, Akio Katoh 1995-04-11
5202601 Spark plug for internal combustion engine with recess in electrode tip Yasuyuki Sato, Kiyoaki Tanaka 1993-04-13
5196760 Spark plug for internal combustion engine with pillar shaped electrode Kiyoaki Tanaka 1993-03-23
5159232 Spark plugs for internal-combustion engines Yasuyuki Sato, Hiroyuki Murai 1992-10-27
5124612 Spark plug for internal-combustion engine Hiroyuki Murai, Yasuyuki Sato 1992-06-23
5056496 Ignition system of multispark type Seiji Morino, Yasuhito Takasu, Masato Somiya 1991-10-15
4845400 Spark plug for internal-combustion engine Hiroyuki Murai, Yasuyuki Sato 1989-07-04
4581558 Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends Yasuyuki Sato, Kanji Higuchi 1986-04-08
4540910 Spark plug for internal-combustion engine Ryoji Kondo, Kanji Higuchi 1985-09-10
4488081 Ignition plug Ryoji Kondo, Kanji Higuchi, Yasuyuki Sato, Minoru Nagai 1984-12-11