He is credited with directing more than 450 videos in a career spanning over twenty years.
[3] In the mid and late-1990s, he directed a number of videos for HRC and Alice Japan.
[1] By May 2003, he was directing regularly for the Moodyz studio, part of the large Japanese porn conglomerate, the Hokuto Corporation.
[12] Usami is particularly known for introducing new actresses to adult videos, having directed about 200 of these "debut" works,[13] about 70 of them in IdeaPocket's "First Impression" series.
[2] Over his long career, Usami has directed several well-known AV idols including: Honoka, Tina Yuzuki (Rio), Sora Aoi, An Nanba, Yua Aida, Riko Tachibana, Kaede Matsushima, Bunko Kanazawa, Akiho Yoshizawa, and more recently, Mayu Nozomi (in her AV debut), Azumi Uehara and Aino Kishi.