Showa Denko Kenzai K.K.

Showa Denko Kenzai K.K.


Company Name Showa Denko Kenzai K.K.
Head office 2-1, Ebisu-cho, Kanagawa-ku, Yokohama, Kanagawa 221-0024, Japan
TEL: 81-45-444-1690
FAX: 81-45-444-1698
Mail(Administration Dept.)
Established December 1977
President Tooru Terada
Closing date December
Capital 250 million yen (as of Jan. 5, 2015)
Number of shares issued 140 thousand (as of Jan. 5, 2015)
Stockholder Showa Denko K.K.100%
Employees 113 (as of May. 1, 2015)
Management Team
Representative Director
and President
Tooru Terada
Absentee Director Noriyuki Matsushima
Absentee Director Shigeyuki Takei
Absentee Auditor Tomohisa Nakano
(as of Jan. 5, 2015)
Main products Business in wet building materials
Premixed mortar, moisture regulating agents, adhesiveness reinforcing agents, waterproofing materials, concrete corrosion-proofing agents, high-performance highly fluid bed mortar

together with piping and machinery equipment
Drainage fire-resistant two-layer pipes, single-pipe drainage system joints, silent drainage systems, roof labor-saving processes, Showa Ecopipe
Domestic sales office Sendai Branch
3-2-14, Takatoki Bldg., Miyachiyo, Miyagino-ku, Sendai-shi, Miyagi Prefecture 983-0044, Japan
TEL : 81-22-236-7108

Nagoya Branch
Pola Nagoya Bldg., 2-9-26, Sakae, Naka-ku, Nagoya-shi, Aichi Prefecture 450-0003, Japan
TEL : 81-52-218-8088

Osaka Branch
Fame Shin-Osaka, 6-5-3, Nishi Nakajima, Yodogawa-ku, Osaka-shi, Osaka Prefecture 532-0011, Japan
TEL : 81-6-6100-3122

Fukuoka Branch
Asahi Life Insurance Second Fukuoka Bldg., 5-22, Tenya-machi, Hakata-ku, Fukuoka-shi, Fukuoka Prefecture 812-0025, Japan
TEL : 81-92-281-9880
Domestic production sites Ishioka Plant
6-2, Oaza Kashiwabara, Ishioka-shi, Ibaraki Prefecture 315-8541, Japan
TEL : 81-299-56-7601



1971 Imported highly fluidized chemical admixture (Mol Master) and began to sell it
1973 Developed the first premixed mortar (High-Mol) in the world and began to manufacture and sell it
1977 Established Showa Denko Kenzai K.K. with 100% capital invested by Showa Denko K.K.
1978 Began to manufacture and sell a cement hollow extrusion-molded plate, "Lambda"
1981 Began to manufacture and sell fire-proof two-layer pipes (Keipla Pipes)
1985 Shifted the control of manufacturing Keipura Pipes to Kanose Denko K.K. (today's Niigata Showa K.K.)
1994 Integrated the Building Materials Division of Showa Denko K.K. with Showa Denko Kenzai K.K.
2000 The Ishioka Plant and the Civil Engineering Agents Sales Dept. filed a registration for qualification under ISO 9001