HC

Hiroyuki Chiba

EC Eisai R&D Management Co.: 6 patents #113 of 817Top 15%
EI Eisai: 2 patents #451 of 998Top 50%
ME Mercian: 1 patents #54 of 110Top 50%
SI Sanraku Incorporated: 1 patents #19 of 48Top 40%
📍 Ibaraki, JP: #1,034 of 6,779 inventorsTop 20%
Overall (All Time): #509,266 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10450324 Methods useful in the synthesis of halichondrin B analogs Yongbo Hu, Huiming Zhang, Yuki Komatsu, Bryan M. LEWIS 2019-10-22
10030032 Methods useful in the synthesis of halichondrin B analogs Yongbo Hu, Huiming Zhang, Yuki Komatsu, Bryan M. LEWIS 2018-07-24
9695188 Methods useful in the synthesis of halichondrin B analogs Yongbo Hu, Huiming Zhang, Yuki Komatsu, Bryan M. LEWIS 2017-07-04
7767812 Crystals of pyrimidine compound and process for producing the same Hitoshi Harada, Hiroshi Ishihara, Yoshiaki Sato, Yuki Komatsu, Susumu Inoue +1 more 2010-08-03
7538117 Crystalline and amorphous pyrimidine compounds and processes for preparing pyrimidine compounds Hitoshi Harada, Yuki Komatsu, Susumu Inoue, Naoki Ozeki 2009-05-26
7396928 Crystals of 5-[2-amino-4-(2-furyl) pyrimidin-5-yl]-1-methylpyridin-2(1H)-one and processes for preparing the same Hitoshi Harada, Hiroshi Ishihara, Yoshiaki Sato, Teiji Takigawa 2008-07-08
7084268 Carbapenem compound crystals and interjection preparations Masahiko Tsujii, Astsushi Koiwa, Shin Sakurai, Akio Kayano, Hiroyuki Ishizuka +8 more 2006-08-01
6642377 Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalates Akio Kayano, Taiju Nakamura, Shin Sakurai, Hiroyuki Ishizuka, Hiroyuki Saito +4 more 2003-11-04
5232943 Antibiotics Mer-AF1032A and Mer-AF1032B Hitosi Agematu, Yoshio Watanabe, Rei Kaneto, Norio Shibamoto, Takeo Yoshioka +3 more 1993-08-03
4933439 Tylosin derivatives and processes for producing the same Takeo Yoshioka, Azuma Watanabe, Kaichiro Kominato, Kohki Kiyoshima, Yasuo Fukagawa +2 more 1990-06-12