HH

Hidefumi Hirai

UN Unknown: 8 patents #1,262 of 83,584Top 2%
NS Nippon Steel: 3 patents #914 of 4,423Top 25%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
DC Daiso Co.: 1 patents #82 of 151Top 55%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
Overall (All Time): #260,450 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6051614 Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound Hyoya Shiozaki, Hotaka Aizawa 2000-04-18
5922640 Adsorbent for carbon monoxide Nobutoshi Ootsuka, Kenji Sakai, Toshiyuki Shimazawa 1999-07-13
5319134 Process for introducing a carboxyl group to an aromatic carboxylic acid or a derivative thereof Rikinori Terakado, Hisashi Mihori, Tsutomu Nakamura, Kazuhiro Saito 1994-06-07
5213895 Particle-bearing composite and a method for producing the same Hironobu Hashimoto 1993-05-25
5187209 Colloidal metal dispersion, and a colloidal metal complex Makoto Komiyama, Michitaka Otaki 1993-02-16
4902776 Preparation of poly-p-phenylene with (1) aluminum chloride and (2) CU(I) Cl or VCl.sub.3 Naoki Toshima, Keiichi Kanaka, Atsunori Koshirai 1990-02-20
4888248 Colloidal metal dispersion, and a colloidal metal complex Makoto Komiyama, Michitaka Otaki 1989-12-19
4864071 Process for separation of unsaturated hydrocarbon from gas mixture Makoto Komiyama, Susumu Hara 1989-09-05
4747855 Solid absorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixture Makoto Komiyama, Keiichiro Wada 1988-05-31
4696682 Solid adsorbent for carbon monoxide and process for separation from gas mixture Makoto Komiyama, Susumu Hara, Keiichiro Wada 1987-09-29
4675309 Adsorbent for use in selective gas adsorption-separation and a process for producing the same Makoto Komiyama, Kazunori Kurima, Keiichiro Wada 1987-06-23
4587114 Method for separating carbon dioxide from mixed gas Makoto Komiyama, Keiichiro Wada 1986-05-06
4546094 Solid adsorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixture Makoto Komiyama, Susumu Hara 1985-10-08
4525180 Process for recovery of ethylene from gaseous mixture Makoto Komiyama, Susumu Hara 1985-06-25
4523037 Process for selectively producing para-substituted derivatives of phenols Makoto Komiyama 1985-06-11
4523031 Process for producing a para-substituted phenol derivative Makoto Komiyama 1985-06-11
4470829 Solid adsorbent for carbon monoxide and process for separation from gas mixture Makoto Komiyama, Susumu Hara, Keiichiro Wada 1984-09-11
4460384 Process for separating carbon monoxide from a gas mixture Makoto Komiyama, Susumu Hara 1984-07-17