MI

Masaaki Ishizuka

ZK Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai: 24 patents #8 of 194Top 5%
KK Kanegafuchi Kagaku Kogyo: 4 patents #134 of 691Top 20%
ME Mercian: 2 patents #34 of 110Top 35%
KC Kanegafuchi Chemical Industry Co.: 1 patents #86 of 179Top 50%
BC Banyu Pharmaceutical Co.: 1 patents #210 of 330Top 65%
TC Taiho Pharmaceutical Co.: 1 patents #236 of 484Top 50%
BR Bristol-Meyers: 1 patents #205 of 350Top 60%
Overall (All Time): #140,066 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
7060821 Osteoclast differentiation inhibitors Hiroyuki Kumagai, Tomohiro Sameshima, Motoko Matsufuji, Naoto Kawamura, Kunio Isshiki +3 more 2006-06-13
6589981 Tumor radiosensitization and/or chemopotentiation using isocoumarin derivatives Corinne Reimer, Naoki Agata, Tomio Takeuchi, Hiroyuki Kumagai, Takeo Yoshioka +2 more 2003-07-08
6245810 Amino acid derivatives Masaji Kawazu, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda, Tomio Takeuchi 2001-06-12
6160017 Preventives and remedies for ulcerous colitis and/or crohn's disease Kenji Maeda, Tomio Takeuchi, Tadayoshi Shiraishi, Masakazu Fukushima 2000-12-12
5952380 Method for treating diarrhea Kenji Maeda, Tomio Takeuchi, Toshiyuki Toko, Tadayoshi Shiraishi 1999-09-14
5798387 Amino acid derivatives Masaji Kawazu, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda, Tomio Takeuchi 1998-08-25
5527820 Antibiotics having immunosuppressive activity, delaminomycins and processes for the production of the same Mitsuhiro Ueno, Hironobu Iinuma, Hiroshi Naganawa, Masa Hamada, Kenji Maeda +1 more 1996-06-18
5098935 Carcinostatic or antitumor antibiotic, conagenin, and production and uses thereof Takashi Yamashita, Hiroshi Naganawa, Hironobu Iinuma, Kunio Isshiki, Masa Hamada +2 more 1992-03-24
5096924 Anticancer antibiotic MI43-37F11 substance Hiroyuki Kumagai, Tsutomu Sawa, Hiroshi Naganawa, Hironobu Iinuma, Kunio Isshiki +3 more 1992-03-17
4859593 New physiologically active substance, arphamenine and production thereof Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada 1989-08-22
4851446 Immunosuppressing method Hamao Umezawa, Tomio Takeuchi, Fuminori Abe, Akio Fujii, Teruya Nakamura 1989-07-25
4786754 Crystalline upsilon-form bestatin and processes for its preparation Takashi Terada, Tetsushi Saino, Terukatsu Sakurai, Hamao Umezawa 1988-11-22
4778824 Method for suppressing a transplantation immunity and treating an allergic disease and an autoimmune disease Hamao Umezawa, Tomio Takeuchi, Fuminori Abe, Akio Fujii, Teruya Nakamura 1988-10-18
4769490 Crystalline gamma-form bestatin and processes for its preparation Takashi Terada, Tetsushi Saino, Terukatsu Sakurai, Hamao Umezawa 1988-09-06
4663342 Pharmaceutical composition and method for immunopotentiation Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada 1987-05-05
4595698 Physiologically active substance, arphamenine and production thereof Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada 1986-06-17
4559362 Immunopotentiator Hamao Umezawa, Tomio Takeuchi 1985-12-17
4530998 2'-Deoxyoxanosine Hamao Umezawa, Tomio Takeuchi, Tomohisa Takita, Nobuyoshi Shimada, Kuniki Kato 1985-07-23
4358602 Ebelactones and production thereof Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada, Shinichi Kondo 1982-11-09
4335250 Compound with immunopotentiating activity and production and uses thereof Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Hajime Morishima, Takuzo Yamamoto +3 more 1982-06-15
4259319 Antibiotic auromomycin, and process for production thereof Hamao Umezawa, Tomio Takeuchi, Kiyoshi Watanabe, Toshiaki Yamashita, Noriyuki Naoi +1 more 1981-03-31
4242453 Cultivating streptomyces to produce an esterase inhibitor Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada 1980-12-30
4238507 Pharmacological compound with immunopotentiating activity and production and uses thereof Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Hajime Morishima, Ikuo Matsumoto +1 more 1980-12-09
4219622 Process for producing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Norio Shibamoto, Toshikazu Oki +1 more 1980-08-26
4204038 Process for preparing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Norio Shibamoto, Toshikazu Oki +1 more 1980-05-20