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Contact Information for IR related inquiries Contact Information for Semiconductor Business related inquiries
Contact Information for Electronic Component Business related inquiries Contact Information for Electronic Equipment Business related inquiries
Contact Information for Products Business related inquiries    
Contact Information for IR related inquiries
Please fill out "Inquiry Form" below
IR Inquiry Form
Contact Information for Semiconductor Business related inquiries
Main Suppliers Where to Contact in Ryosan Phone Number
  Renesas Electronics Corporation Semiconductor Business Headquarters   03-3862-2630
  Renesas Electronics Corporation
Compound Semiconductor Devices Division
Renesas Electronics Compound Semiconductor Devices Marketing Divison   03-3862-2672
  Elpida Memory, Inc. Elpida Memory Marketing Department   03-3862-4581
  AMIC Technology Corporation Saxis Company, Limited   03-3862-4861
  Intersil Corporation (same as above)   (same as above)
  Macronix International Co., Ltd. (same as above)   (same as above)
  NXP Semiconductors Japan, Ltd. (same as above)   (same as above)
  THine Electronics, Inc. (same as above)   (same as above)
  Cypress Semiconductor Corporation Gyronics Company, Limited   03-3862-2635
  DiBcom Co., Ltd. (same as above)   (same as above)
  DOESTEK Co., Ltd. (same as above)   (same as above)
  MICREL, INC. (same as above)   (same as above)
  Solomon Systech Limited (same as above)   (same as above)
  Winbond Electronics Corporation (same as above)   (same as above)
Contact Information for Electronic Component Business related inquiries
Main Suppliers Where to Contact in Ryosan Phone Number
  ALPS ELECTRIC CO., LTD. ALPS Devices Marketing Division   03-3862-7595
  CASIO COMPUTER CO., LTD. CASIO Devices Marketing Division   03-3862-4310
  COSEL CO., LTD. COSEL Marketing Section   03-3862-1455
  Japan Aviation Electronics Industry,Limited JAE Devices Marketing Department   03-3862-1310
  NEC LCD Technologies, Ltd. Display Marketing Department   03-3862-3860
  NEC TOKIN Corporation NEC TOKIN Devices Marketing Department   03-3862-4930
  NEC TOPPAN CIRCUIT SOLUTIONS, INC. Printed Wiring Board Marketing Department   03-3862-4290
  ORTUS TECHNOLOGY CO., LTD. CASIO Devices Marketing Division   03-3862-4310
  RiTdisplay Corporation Display Marketing Department   03-3862-3860
  EPSON TOYOCOM CORPORATION EC RYOSAN Company, Limited   03-3862-1266
  FUJISOKU CORPORATION (same as above)   (same as above)
  GS Yuasa Power Electronics Ltd. (same as above)   (same as above)
  GS Yuasa International Ltd. (same as above)   (same as above)
  KEL CORPORATION (same as above)   (same as above)
  Matsuo Electric Co.,Ltd. (same as above)   (same as above)
  Nitsuko Electronics Corporation (same as above)   (same as above)
  SANYO GS Soft Energy Co.,Ltd. (same as above)   (same as above)
  SMK Corporation (same as above)   (same as above)
  Sumitomo Electric Industries, Ltd. (same as above)   (same as above)
  TAIYO YUDEN CO.,LTD. (same as above)   (same as above)
  TOKO, INC (same as above)   (same as above)
  TOKYO COSMOS ELECTRIC CO., LTD. (same as above)   (same as above)
Contact Information for Electronic Equipment Business related inquiries
Main Suppliers Where to Contact in Ryosan Phone Number
  ATEN Japan Co., Ltd. System Equipment Marketing Division   03-3862-1382
  NEC Group
        NEC Corporation
(same as above)   (same as above)
          NEC Display Solutions, Ltd. (same as above)   (same as above)
          NEC Engineering, Ltd. (same as above)   (same as above)
          NEC Infrontia Corporation (same as above)   (same as above)
          NEC Networks & System Integration Corporation (same as above)   (same as above)
          NEC Soft, Ltd. (same as above)   (same as above)
          NEC System Technologies, Ltd. (same as above)   (same as above)
  Newtech Co., Ltd. (same as above)   (same as above)
  CANON ANELVA Corporation ANELVA·Equipment Marketing Division   03-3862-1385
  OMRON LASERFRONT INC. (same as above)   (same as above)
  Showa Optronics Co.,Ltd. (same as above)   (same as above)
  SUMITOMO PRECISION PRODUCTS Co., Ltd. (same as above)   (same as above)
Contact Information for Products Business related inquiries
Please contact Heat Sink Sales Department (Tel 03-3862-6221) or fill out "Inquiry Form" below.
Products Business Inquiry Form
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