A May 2004 story by AppleInsider said that internal Apple documents revealed 27 prospective retail store locations in Japan, and
listed them in four priorities A-D. It's possible this document was research material only, and not intended as a final list of sites
for future stores. But based on that story, here is the list of potential Japan retail store locations by city and prefecture:

A - all are street stores except Umeda

  • Ginza (opened Nov. 2003)
  • Osaka, Shinshaibashi (will open Nov. 2004)
  • Shinjuku, Tokyo
  • Shibuya, Tokyo
  • Umeda (shopping center)
  • Osaka
  • Harajuku/Omotesando, Tokyo

B - all 4,000 square feet, four are shopping centers, Ikebukuro and Machida are street stores, while Tachikawa is neither.

  • Ikebukuro, Tokyo
  • Tachikawa, Tokyo
  • Machida, Tokyo
  • Yokohama, Kanagawa
  • Nagoya, Aichi
  • Sapporo, Hokkaido
  • Fukuoka

C - all 4,000 square feet, all shopping centers except Omiya and Kobe.

  • Omiya, Saitama
  • Sendai, Miyagi
  • Kobe, Hyogo
  • Abeno, Osaka
  • Kyoto
  • Hiroshima

D - all 4,000 square feet, all shopping centers.

  • Nanba, Osaka
  • Chiba
  • Shizuoka

No Priority

  • Takamatsu, Kagawa
  • Kumamoto
  • Okayama
  • Niigata
  • Kagoshima