HY

Haruo Yamada

AC Asahi Kasei Chemicals: 4 patents #74 of 543Top 15%
AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
ER East Japan Railway: 2 patents #3 of 63Top 5%
JC Japan Metals & Chemicals Co.: 1 patents #70 of 152Top 50%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
TC Taiho Pharmaceutical Co.: 1 patents #236 of 484Top 50%
TC Toyo Electric Mfg. Co.: 1 patents #10 of 32Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
HC Hamari Chemicals: 1 patents #19 of 60Top 35%
Overall (All Time): #344,823 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10907659 Hydraulic system Akihiro Kondo, Hiroaki Mitsui, Toshihisa Toyota 2021-02-02
9493629 Modified butadiene-based polymer composition Takaaki Matsuda, Yuichi Kitagawa 2016-11-15
9352654 Impact mitigating structure of contact strip piece Takeshi Kurita, Fumio Mizushima, Shinji Nakajima, Hitoshi Satoh 2016-05-31
9221344 Assembly jig of contact plate assembly Takeshi Kurita, Fumio Mizushima 2015-12-29
8106130 Modified conjugated diene polymer and process for producing thereof Ryoko Fukuoka, Norifusa Ishimura 2012-01-31
7915349 Conjugated diene polymer and process for production thereof Keiichi Toda, Norifusa Ishimura 2011-03-29
7132471 Rubber composition and process for production thereof Hiroshi Fusamae 2006-11-07
6969739 Rubber composition Akira Saito, Nobuaki Kubo, Yasunobu Nakafutami 2005-11-29
6906152 Rubber compositions Akira Saito, Yasunobu Nakafutami 2005-06-14
5480899 Oxazolidine derivatives and pharmaceutically acceptable salts thereof Shingo Yano, Tomoyasu Ohno, Kazuo Ogawa, Tetsuhiko Shirasaka, Hiroyuki Kawamura +1 more 1996-01-02
4835209 Rubber for tire treads and compositions thereof Yuichi Kitagawa, Akira Saito 1989-05-30
4772681 Porphyrin derivatives Yozo Fukuda, Takuzo Otani, Michikazu Sawada, Katsuo Aizawa, Mari Uchimoto +1 more 1988-09-20
4657076 Chemical injection tube mounting structure for geothermal well Jiro Tsutsumi, Minolu Uchiyama, Kunio Katagiri 1987-04-14
4480606 Intake system of an internal combustion engine Shinichi Kato, Katsuhiko Motosugi, Masatami Takimoto, Kisaburo Mizuno, Mitsuyoshi Teramura 1984-11-06