20/20 for the twenty first century
Subtitle: a special 20th anniversary commemorative issue of I.P. Japan
By: [edited by] John A. Tessensohn ; foreword by Shusaku Yamamoto, Founder-Owner.
Contributors: Yamamoto, Shusaku.; Tessensohn, John A.
Publisher: Shusaku Yamamoto Patent Law Offices
Published: 1999
Place of publication: [Osaka
Language: eng