Comprehensive comparison of 3D-TSV integrated solid-state drives (SSDs) with storage class memory and NAND flash memory. - Shogo Hachiya; Takahiro Onagi; Sheyang Ning; Ken Takeuchi (3DIC, 2015)

0.6 V operation, 26% smaller voltage ripple, 9% energy efficient boost converter with adaptively optimized comparator bias-current for ReRAM program in low power IoT embedded applications. - Tomoya Ishii; Shogo Hachiya; Sheyang Ning; Masahiro Tanaka; Ken Takeuchi (A-SSCC, 2015)

7.7 Enterprise-grade 6x fast read and 5x highly reliable SSD with TLC NAND-flash memory for big-data storage. - Tsukasa Tokutomi; Masafumi Doi; Shogo Hachiya; Atsuro Kobayashi; Shuhei Tanakamaru; Ken Takeuchi (ISSCC, 2015)

Reliability enhancement of 1Xnm TLC for cold flash and millennium memories. - Senju Yamazaki; Shuhei Tanakamaru; Sakuya Suzuki; Tomoko Ogura Iwasaki; Shogo Hachiya; Ken Takeuchi (VLSIC, 2015)

Design guidelines of storage class memory/flash hybrid solid-state drive considering system architecture, algorithm and workload characteristic. - Chao Sun 001; Shun Okamoto; Shogo Hachiya; Tomoaki Yamada; Ken Takeuchi (IEEE Trans. Consumer Electron., 2016)