YO

Yasuhiko Otsubo

TO Toyota: 11 patents #2,600 of 26,838Top 10%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
DE Denso: 5 patents #2,617 of 11,792Top 25%
PR Proterial: 3 patents #41 of 267Top 20%
HM Hino Motors: 1 patents #109 of 311Top 40%
Overall (All Time): #213,216 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12209298 Ni—Cr—Mo-based alloy member, Ni—Cr—Mo-based alloy powder, and composite member Hiroshi SHIRATORI, Kazuya Shinagawa, Shuho Koseki, Kousuke Kuwabara 2025-01-28
12110576 WC-based cemented carbide powder, WC-based cemented carbide member, and manufacturing method for WC-based cemented carbide member Hiroshi SHIRATORI, Kazuya Shinagawa, Shuho Koseki, Kousuke Kuwabara, Shinya Okamoto 2024-10-08
11821059 Ni-based alloy, Ni-based alloy powder, Ni-based alloy member, and product including Ni-based alloy member Hiroshi SHIRATORI, Kazuya Shinagawa, Shuho Koseki, Kousuke Kuwabara 2023-11-21
8209108 Fuel injection device and control method therefor Masanobu Katayama 2012-06-26
7895830 Exhaust gas purification system for internal combustion engine and exhaust gas purification method therefor Tatsuhisa Yokoi, Shigehiro Matsuno, Ikuo Hoda 2011-03-01
7892309 Production method of honeycomb filter and honeycomb filter Shunji Okazaki, Shinya Tokumaru, Hirohisa Suwabe, Toshitaka Ishizawa 2011-02-22
7849677 Regeneration controller for exhaust purification apparatus of internal combustion engine Shigehiro Matsuno, Tatsuhisa Yokoi, Hiroki Matsuoka, Takayoshi Inaba 2010-12-14
7841169 Regeneration controller for exhaust purification apparatus of internal combustion engine Tatsuhisa Yokoi, Shigehiro Matsuno, Hiroki Matsuoka 2010-11-30
7727613 Ceramic honeycomb structure, process for producing the same and coat material for use in the production Hirohisa Suwabe, Toshiaki Kimura 2010-06-01
7677029 Regeneration controller for exhaust purification apparatus of internal combustion engine Shigehiro Matsuno, Tatsuhisa Yokoi, Hiroki Matsuoka 2010-03-16
7607290 Exhaust purifying apparatus for internal combustion engine Hiroki Matsuoka, Tatsuhisa Yokoi, Shigehiro Matsuno, Takayoshi Inaba 2009-10-27
7600373 Regeneration controller for exhaust purification apparatus of internal combustion engine Shigehiro Matsuno, Tatsuhisa Yokoi, Hiroki Matsuoka, Takayoshi Inaba 2009-10-13
7591918 Ceramic honeycomb structure and its production method and coating material used therefor Hirohisa Suwabe, Toshiaki Kimura 2009-09-22
7484359 Exhaust purifying apparatus for internal combustion engine Tatsuhisa Yokoi, Shigehiro Matsuno, Hiroki Matsuoka 2009-02-03
7340884 Exhaust purifying apparatus and exhaust purifying method for internal combustion engine Shigehiro Matsuno, Tatsuhisa Yokoi, Hiroki Matsuoka, Takayoshi Inaba 2008-03-11
7320214 Exhaust gas purifier for internal combustion engine Shogo Kanazawa, Tatsumasa Sugiyama 2008-01-22
7185488 Exhaust purifying apparatus and exhaust purifying method for internal combustion engine Masataka Miyazaki, Tatsuhisa Yokoi, Hiroki Matsuoka, Shigehiro Matsuno, Takayoshi Inaba 2007-03-06
7090714 Ceramic honeycomb filter Hirohisa Suwabe 2006-08-15
6890616 Ceramic honeycomb filter and its structure Hirohisa Suwabe, Shunji Okazaki, Osamu Tokudome 2005-05-10
6827754 Ceramic honeycomb filter Hirohisa Suwabe, Shinya Tokumaru, Hiroshi Funabashi, Keiichi Nakagome, Makoto Tsujita +1 more 2004-12-07