Toshihiko Hijikata has been granted 22 US patents while listed as an inventor at Ngk Insulators . The first was granted in 1983 and the most recent in September 2010. Toshihiko Hijikata ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Toshihiko Hijikata in Nagoya, JP.
Patents per Year Patents granted per year, 1983 to 2010 Bar chart with a peak of 4 patents in 2006. peak 4 1983: 1 patents 1983 1989: 2 patents 1990: 1 patents 1990 1992: 1 patents 1993: 1 patents 1993 1995: 1 patents 1996: 1 patents 1996 1998: 1 patents 1999: 2 patents 1999 2001: 1 patents 2002: 1 patents 2002 2003: 1 patents 2005: 1 patents 2005 2006: 4 patents 2007: 1 patents 2007 2010: 2 patents 2010
Issued Patents All Time
Showing 1–22 of 22 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7802421
PM generating apparatus
Satoru Yamada , Yukio Miyairi
2010-09-28
$239,000
7655195
Undulated-wall honeycomb structure and manufacturing method thereof
Yukihito Ichikawa , Makoto Miyazaki
2010-02-02
$206,000
7163662
Canning structure and manufacturing method thereof
Toshio Yamada
2007-01-16
$372,000
7087286
Honeycomb structure and assembly thereof
—
2006-08-08
$420,000
7078086
Honeycomb structure and assembly thereof
—
2006-07-18
$322,000
7052760
Honeycomb structural body and assembly thereof
—
2006-05-30
$328,000
7041359
Honeycomb structure and assembly thereof
—
2006-05-09
$378,000
6840083
Method and apparatus for detecting cracks in honeycomb structure
—
2005-01-11
$161,000
6521193
Ceramic honeycomb gas duct assembly and method of making the same
Yukiharu MORITA
2003-02-18
6338826
Gas duct having honeycomb structure
Toshio Yamada , Yukiharu MORITA
2002-01-15
6242071
Method for assembling ceramic honeycomb structure, and supporting member therefor
Toshio Yamada , Mikio Tanaka
2001-06-05
5895700
Honeycomb structural body
Toshio Yamada
1999-04-20
5866079
Ceramic honeycomb catalytic converter
Minoru Machida , Toshio Yamada , Yukihito Ichikawa
1999-02-02
5782089
Honeycomb catalytic converter
Minoru Machida , Masashi Yano
1998-07-21
5566545
Process and an apparatus for treating an exhaust gas, and a honeycomb structural exhaust gas filter
Tetsuya Hiraoka , Kazuhiko Umehara
1996-10-22
5398541
Process and an apparatus for determining pressure losses of exhaust gas purification honeycomb structural bodies, by presumption, at respective points of time when honeycomb structural bodies are to be regenerated
Satoru Yamada
1995-03-21
5188779
Production of ceramic honeycomb structural bodies
Osamu Horikawa
1993-02-23
5102434
Method of inspecting a honeycomb structural body for purifying exhaust gases and apparatus used in the method
Satoru Yamada , Ryouzi Horie
1992-04-07
4914065
Process for regnerating ceramic honeycomb filters by combustion
Toshiaki Higuchi
1990-04-03
4857089
Ceramic honeycomb filter for purifying exhaust gases
Jun Kitagawa , Kazuo Ishikawa
1989-08-15
4840827
Ceramic honeycomb structural bodies and method of producing the same
Isao Mizutani , Takashi Harada
1989-06-20
4396664
Ceramic honeycomb structural body
Shigeru Mochida , Masaru Kojima
1983-08-02