Register · API makers
API Manufacturers
Active pharmaceutical ingredient producers, including the Indian and Chinese plants that supply most US generics and rarely appear in Western directories. 62 companies in Japan, ordered by number of registered sites.
001
Ajinomoto Health & Nutrition North America, Inc.
Japan+3 moreanalysisapi manufacturelabelling
9
sites
20
products
0
patents
002
Astellas Pharma US, Inc.
Japan+2 moreanalysisapi manufacturecdmo
8
sites
40
products
43
patents
003
Otsuka America Pharmaceutical, Inc.
Japananalysisapi manufacturecdmo
6
sites
62
products
246
patents
004
Shionogi Pharma Co., Ltd.
Japananalysisapi manufacturecdmo
4
sites
17
products
18
patents
005
Chugai Pharmaceutical Co., Ltd.
Japananalysisapi manufacturecdmo
3
sites
13
products
0
patents
006
Daiichi Sankyo Europe GmbH
Japan+1 moreanalysisapi manufacturecdmo
3
sites
11
products
52
patents
007
Sumitomo Chemical Company, Limited
Japananalysisapi manufacture
3
sites
8
products
0
patents
008
Meiji Seika Pharma Co., Ltd.
Japananalysisapi manufacturecdmo
3
sites
1
products
0
patents
009
Sumitomo Pharma Co., Ltd.
Japananalysisapi manufacturecdmo
2
sites
24
products
112
patents
010
TAYCA CORPORATION
Japanapi manufacture
2
sites
22
products
0
patents
011
SUMITOMO OSAKA CEMENT CO., LTD.
Japananalysisapi manufacture
2
sites
6
products
0
patents
012
MicroBiopharm Japan Co., Ltd.
Japanapi manufacture
2
sites
2
products
0
patents
013
Nissui Corporation
Japanapi manufacture
2
sites
2
products
0
patents
014
FUJIMOTO CHEMICALS CO., LTD.
Japanapi manufacture
2
sites
1
products
0
patents
015
UBE Corporation
Japananalysisapi manufacture
2
sites
1
products
0
patents
016
Taiho Oncology, Inc.
Japananalysisapi manufacturecdmo
2
sites
0
products
24
patents
017
Sucampo Pharma Americas, LLC
Japananalysisapi manufacturecdmo
2
sites
0
products
6
patents
018
KATAYAMA SEIYAKUSYO CO., LTD.
Japanapi manufacturecdmo
2
sites
0
products
0
patents
019
NOF CORPORATION
Japananalysisapi manufacture
2
sites
0
products
0
patents
020
YMC India private limited
Japan+1 moreanalysisapi manufacturecdmo
2
sites
0
products
0
patents
021
Sakai Chemical Industry Co., Ltd.
Japanapi manufacture
1
sites
20
products
0
patents
022
KYOWA HAKKO BIO CO., LTD.
Japanapi manufacture
1
sites
14
products
0
patents
023
Kyowa Kirin Co., Ltd.
Japananalysisapi manufacturecdmo
1
sites
11
products
4
patents
024
Titan Kogyo , Ltd.
Japanapi manufacture
1
sites
8
products
0
patents
025
Kyowa Pharma Chemical Co., Ltd.
Japananalysisapi manufacturelabelling
1
sites
6
products
0
patents
026
Alps Pharmaceutical Ind. Co., Ltd.
Japanapi manufacture
1
sites
5
products
0
patents
027
Kongo Chemical Co., Ltd.
Japanapi manufacture
1
sites
5
products
0
patents
028
Yuki Gosei Kogyo Co., Ltd.
Japanapi manufacture
1
sites
5
products
0
patents
029
Juzen Chemical Corporation
Japananalysisapi manufacture
1
sites
4
products
0
patents
030
Asahi Kasei Finechem Co., Ltd.
Japanapi manufacture
1
sites
3
products
0
patents
031
NISSAN CHEMICAL CORPORATION
Japanapi manufacture
1
sites
3
products
0
patents
032
Spera Nexus Inc
Japanapi manufacture
1
sites
3
products
0
patents
033
KAKEN Pharmaceutical Co., LTD
Japananalysisapi manufacturecdmo
1
sites
2
products
0
patents
034
NIPPON RIKA CO., LTD.
Japanapi manufacture
1
sites
2
products
0
patents
035
Sekisui Medical Co., Ltd.
Japananalysisapi manufacturepackaging
1
sites
2
products
0
patents
036
Shiratori Pharmaceutical Co., Ltd.
Japanapi manufacture
1
sites
2
products
0
patents
037
TATEYAMA KASEI CO.,LTD.
Japanapi manufacture
1
sites
2
products
0
patents
038
Tokyo Chemical Industry Co., Ltd.
Japanapi manufacture
1
sites
2
products
0
patents
039
AGC WAKASA CHEMICALS CO.,LTD.
Japanapi manufacture
1
sites
1
products
0
patents
040
Central Glass CO., LTD.
Japanapi manufacture
1
sites
1
products
0
patents
041
Daito Pharmaceutical Co., Ltd
Japananalysisapi manufacturecdmo
1
sites
1
products
0
patents
042
Fukuzyu Pharmaceutical Co., Ltd.
Japanapi manufacture
1
sites
1
products
0
patents
043
Ishihara Sangyo Kaisha, Ltd.
Japanapi manufacture
1
sites
1
products
0
patents
044
Kaneka Corporation
Japanapi manufacture
1
sites
1
products
0
patents
045
Ono Pharmaceutical Co., Ltd.
Japananalysisapi manufacturecdmo
1
sites
1
products
0
patents
046
Otsuka Chemical Co., Ltd.
Japanapi manufacture
1
sites
1
products
0
patents
047
Shiono Finesse Ltd.
Japanapi manufacture
1
sites
1
products
0
patents
048
FUJIFILM Wako Chemical Corporation
Japanapi manufacture
1
sites
0
products
0
patents
049
Fuji Chemical Industries Co., Ltd.
Japanapi manufacture
1
sites
0
products
0
patents
050
Hamari Chemicals, Ltd.
Japananalysisapi manufacturecdmo
1
sites
0
products
0
patents
051
International Chemical Entity Japan Co.,Ltd.
Japanapi manufacture
1
sites
0
products
0
patents
052
KIYAN PHARMA Co., Ltd
Japanapi manufacture
1
sites
0
products
0
patents
053
Kikkoman Biochemifa Company
Japanapi manufacture
1
sites
0
products
0
patents
054
Kyorin Pharmaceutical Group Facilities Co., Ltd.
Japananalysisapi manufacturelabelling
1
sites
0
products
0
patents
055
Nippon Kayaku Co., Ltd.
Japananalysisapi manufacture
1
sites
0
products
0
patents
056
SANKYO KASEI CO., LTD.
Japanapi manufacture
1
sites
0
products
0
patents
057
SUN CHEMICAL CO., LTD.
Japanapi manufacture
1
sites
0
products
0
patents
058
TOMITA PHARMACEUTICAL CO., LTD.
Japanapi manufacture
1
sites
0
products
0
patents
059
Taenaka Kogyo Co., Ltd.
Japanapi manufacture
1
sites
0
products
0
patents
060
Tanabe Pharma Corporation
Japananalysisapi manufacturecdmo
1
sites
0
products
0
patents
061
UNIGEN INC.
Japanapi manufacture
1
sites
0
products
0
patents
062
Yamasa Corporation
Japananalysisapi manufacture
1
sites
0
products
0
patents
Provenance
Membership of this category is derived from the operations each establishment is registered for in the FDA Drug Establishments Current Registration Site, not from how a company describes itself. A company appears here because at least one of its sites carries the corresponding registered operation. Nobody can pay to be added.