Zax Corporation

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Zax Corporation
Founded: 1973[1]
Merged with: Sumitomo Heavy Industries, Ltd
Merged into: Sumitomo Heavy Industries Mechatronics, Ltd.
Headquarters: Tokyo, Japan

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Zax Corporation (株式会社ザックス, Kabushiki Gaisha Zakkusu), was a Japanese company, founded in 1973, who was one of the world's leading manufacturers of microcomputer development and support systems such as in-circuit emulators, in-circuit debuggers and ROM writers.

With the establishment of its department of research and development in 1977, Zax Corporation introduced many innovations in the field of microcomputer development and support systems, with their line of in-circuit debuggers and in-circuit emulators, becoming famous for the reliability of its hi-tech development systems which attracted companies like Sega, who from the late 1980s to early 1990s comissisoned several ERX 318P and ERX 308P in-circuit emulators, provided as part of its Mega Drive software development kit, sold to licensed third-party video game development companies.

On 1 January 1997[1][2] Zax Corporation was acquired by Tokyo-based company Lightwell Co. Ltd (founded in 1973), becoming Zax Division Lightwell Co., Ltd.[3][4] and continued improving and innovating its line[5][6][7][8][9][10][11][12][13][14] of microcomputer development and support systems until 1 April 2006[15], when the company was acquired by Japanese heavy machinery manufacturing company Sumitomo Heavy Industries, Ltd. (with its origins in copper refining, trading, and mining, Sumitomo, founded in 1691[16] as Izumi-ya, is since 1888 one of the oldest manufacturers of heavy machinery in Japan), becoming Sumitomo Heavy Industries Mechatronics, Ltd., its mechatronics division.

The company had for many years an american sales division called U.S. Zax Corporation[17], established on 18 March 1983[18] in Irvine, California, responsible for the distribution of its products in USA which had previously been distributed[19] in the country by AI Electronics Corp. of Japan, acquired in 1992 by Sega and renamed to SI Electronics Ltd..

On 5 October 1992[20][21] the North American division U.S. Zax Corporation was dissolved, and the distribution of its products was subcontracted to Sunnyvale-based PC Card manufacturing company EXP Computer Inc.[22][23][24] trading[25][26] as Zaxtek, Inc.[27][28][29][30] (founded in 1985 in South Korea as Zeus Computer by South Korean businessman Soonam Kim the company also traded[31][32] as Xeltek, Inc. as a manufacturer and distributor of device programmers).

Development hardware/tools produced

Promotional material

Print advertisements

Print advert in Computer Design (US) #1983-08: "August 1983" (1983-08-xx)
Print advert in PC Tech Journal (US) #0205: "November 1984" (1984-xx-xx)
Print advert in Embedded Systems Programming (US) #1: "November 1988" (1988-11-xx)
Print advert in Oh! X (JP) #1990-01-xx (1990-01-xx)


ZAXMDX700 JP Brochure.pdf

Zax MDX700 JP Brochure[33][34][35][36][37]

ZAXQuick-EIII JP Brochure.pdf

Zax Quick-E III JP Brochure

ZAXSSX850 JP Brochure.pdf

Zax SSX850 JP Brochure[38]

ZAXMJX440forV831-V832 JP Brochure.pdf

Zax MJX440 for V831/V832 JP Brochure[39][40][41][42][43]

ZAXMJX440forCW4020 JP Brochure.pdf

Zax MJX440 for CW4020 JP Brochure[39][44][45]

ZAXMJX440forNB85E JP Brochure.pdf

Zax MJX440 for NB85E JP Brochure[39][46]

ZAXMJX440forARM JP Brochure.pdf

Zax MJX440 for ARM JP Brochure[39][47][48][49]

ZAXMJX330 JP Brochure.pdf

Zax MJX330 JP Brochure[50][51][52][53][54][55]

ZAXArribaELE Brochure.pdf

Zax Arriba ELE (Embedded Linux Edition) Debug Environment JP Brochure

External links


  1. 1.0 1.1 (Wayback Machine: 2000-10-26 01:13)
  2. (Wayback Machine: 1998-02-10 15:43)
  3. File:ZAXICDMJX440 JP Datasheet.pdf, page 3
  4. File:ThePCEngineer'sReferenceBookVol1 US.pdf, page 208
  5. (Wayback Machine: 2002-06-20 00:08)
  6. (Wayback Machine: 2002-08-15 06:25)
  7. (Wayback Machine: 2002-06-20 00:10)
  8. (Wayback Machine: 2002-08-15 06:03)
  9. (Wayback Machine: 2002-06-20 00:14)
  10. (Wayback Machine: 2002-08-15 06:32)
  11. (Wayback Machine: 2005-03-11 09:00)
  12. (Wayback Machine: 2005-12-15 07:59)
  13. (Wayback Machine: 2005-03-11 08:55)
  14. (Wayback Machine: 2005-03-11 08:50)
  15. (Wayback Machine: 2006-12-01 10:25)
  16. (Wayback Machine: 2012-07-02 08:59)
  17. File:Trademark 73633673 ZAX 1986-12-04 (World Intellectual Property Organization).pdf
  18. File:U.S. Zax Corporation Registration 1983-03-18 (California Secretary of State).pdf
  19. File:AIElectronicsCorpZAXMC177 Brochure.pdf, page 2
  20. File:U.S. Zax Corporation Election to Dissolve 1992-02-21 (California Secretary of State).pdf
  21. File:U.S. Zax Corporation Dissolution 1992-10-05 (California Secretary of State).pdf
  22. File:EXP Computer Inc Registration 1987-02-19 (California Secretary of State).pdf
  23. File:EXP Computer Inc Statement of Information 2007-05-29 (California Secretary of State).pdf
  24. File:EXP Computer Inc Statement of Information 2018-12-10 (California Secretary of State).pdf
  25. (Wayback Machine: 2019-11-26 02:49)
  26. (Wayback Machine: 2019-11-24 22:11)
  27. File:ZAXZICE-II Reference Manual.pdf, page 28
  28. File:DTSDeveloperNews US 0202.pdf, page 3
  29. (
  30. (
  31. File:Trademark Reg. Nº 1748197 Superpro 1993-01-26 (United States Patent and Trademark Office).pdf
  32. (
  33. File:ZAXMDX700 JP Overview.pdf
  34. File:ZAXMDX700 JP FAQ.pdf
  35. File:ZAXMDX700 JP User's Manual.pdf
  36. File:ZAXMDX700 US User's Manual.pdf
  37. File:ZAXMDX700DedicatedConnector JP Schematics.pdf
  38. File:NEC V850 Series Development Environment US Pamphlet.pdf, page 76
  39. 39.0 39.1 39.2 39.3 File:ZAXMJX440 JP Overview.pdf
  40. File:ZAXMJX440forV831-V832 JP User's Manual.pdf
  41. File:ZAXMJX440forV831-V832 US User's Manual.pdf
  42. File:ZAXMJX440-MJX330 Mjxcfg JP User's Manual.pdf
  43. File:ZAXMJX440-MJX330 Mjxcfg US User's Manual.pdf
  44. File:ZAXMJX440forTR4102-CW4020 JP User's Manual.pdf
  45. File:ZAXMJX440forTR4102-CW4020 US User's Manual.pdf
  46. File:ZAXMJX440forNB85E JP User's Manual.pdf
  47. File:ZAXMJX440forARM JP User's Manual.pdf
  48. File:ZAXMJX440HostInterface JP Installation Manual.pdf
  49. File:ZAXMJX440HostInterface US Installation Manual.pdf
  50. File:ZAXMJX330forARM JP User's Manual Rev. 1.03.pdf
  51. File:ZAXMJX330forARM JP User's Manual Rev. 1.12.pdf
  52. File:ZAXMJX330forARM US User's Manual.pdf
  53. File:ZAXMJX330forNB85E JP User's Manual.pdf
  54. File:ZAXMJX330forVR5500 JP User's Manual.pdf
  55. File:ZAXMJX330forEJTAG2.5-2.6 JP User's Manual.pdf