Accès ouvert
2026
article
OpenAlex
H. Koizumi, Hideyuki Imai, Haruto Hiraba, Kensuke Nishio et autres
This review examines the development of denture marking from 1990 to 2025, driven by the growing need for identification in aging societies. Methods have evolved from direct techniques, such as ink and engraving, to indirect ones, including embedded quick response (QR) codes, …
jp
(code pays fourni par la source)
1993
conference-paper
OpenAlex
S. Nagata, G. Kano, C.P. De Araujo, Tetsuzo Ueda et autres
A description is given of a GaAs MMIC (monolithic microwave integrated circuit) chip-set for mobile communications which consists of a low-noise amplifier (LNA) with diversity switching capability and an integrated mixer with a local amplifier. These ICs are characterized by the dramatic …
jp
(code pays fourni par la source)
1974
article
OpenAlex
Kose Segawa, Saburo Nakazawa, Naohiko Koide, Kenji Imai et autres
jp
(code pays fourni par la source)
1973
article
OpenAlex
Y. Karasawa, Hyuta Onuma, H. Suzuki, T. Okazaki et autres
jp
(code pays fourni par la source)