Adaptive rate conversion filter. - Tomoki Ohsawa; Junji Namiki (ICASSP, 1986)

A PSK Group Modem for Satellite Communications. - Fumio Takahata; Masayuki Yasunaga; Yasuo Hirata; Tomoki Ohsawa; Junji Namiki (IEEE J. Sel. Areas Commun., 1987)

Mobile Computing and Communication. - Tomoki Ohsawa (IFIP Congress (3), 1994)

Bridging functionality for medium access control sublayer-applied to distributed foundation wireless medium access control. - Tomoki Ohsawa; Gerald Q. Maguire Jr. (PIMRC, 1994)

A capacity effect of bridging functionality applied to wireless packet datalink. - Tomoki Ohsawa; Gerald Q. Maguire Jr. (PIMRC, 1995)

Reduced complexity maximum likelihood estimator for high speed wireless access-TCS-MLSCE. - Yoshikazu Kakura; Tomoki Ohsawa; Kazuhiro Okanoue (PIMRC, 1998)

Discrete Hamilton-Jacobi theory and discrete optimal control. - Tomoki Ohsawa; Anthony M. Bloch; Melvin Leok (CDC, 2010)

Poisson reduction of optimal control systems. - Tomoki Ohsawa (CDC/ECC, 2011)

Symmetry Reduction of Optimal Control Systems - Tomoki Ohsawa (CoRR, 2011)

Variational and Geometric Structures of Discrete Dirac Mechanics. - Melvin Leok; Tomoki Ohsawa (Found. Comput. Math., 2011)

Discrete Hamilton-Jacobi Theory. - Tomoki Ohsawa; Anthony M. Bloch; Melvin Leok (SIAM J. Control. Optim., 2011)

Symmetry Reduction of Optimal Control Systems and Principal Connections. - Tomoki Ohsawa (SIAM J. Control. Optim., 2013)

Contact geometry of the Pontryagin maximum principle. - Tomoki Ohsawa (Autom., 2015)

A New Phase Space Density for Quantum Expectations. - Johannes Keller 003; Caroline Lasser; Tomoki Ohsawa (SIAM J. Math. Anal., 2016)

Optimal Control Problems with Symmetry Breaking Cost Functions. - Anthony M. Bloch; Leonardo J. Colombo; Rohit Gupta 004; Tomoki Ohsawa (SIAM J. Appl. Algebra Geom., 2017)

Variational Optimization on Lie Groups, with Examples of Leading (Generalized) Eigenvalue Problems. - Molei Tao; Tomoki Ohsawa (AISTATS, 2020)

Geometric Kinematic Control of a Spherical Rolling Robot. - Tomoki Ohsawa (J. Nonlinear Sci., 2020)

Stabilization of Nonholonomic Pendulum Skate by Controlled Lagrangians. - Jorge Silva Garcia; Tomoki Ohsawa (CDC, 2022)

Optimal Control with Broken Symmetry of Multi-Agent Systems on Lie Groups. - Efstratios Stratoglou; Leonardo Colombo; Tomoki Ohsawa (CoRR, 2022)

Preservation of Quadratic Invariants by Semiexplicit Symplectic Integrators for Non-separable Hamiltonian Systems. - Tomoki Ohsawa (CoRR, 2022)

Controlled Lagrangians and stabilization of Euler-Poincaré mechanical systems with broken symmetry II: potential shaping. - César Contreras; Tomoki Ohsawa (Math. Control. Signals Syst., 2022)

Controlled Lagrangians and Stabilization of Euler-Poincaré Mechanical Systems with Broken Symmetry I: Kinetic Shaping. - César Contreras; Tomoki Ohsawa (SIAM J. Control. Optim., 2022)

Semiexplicit symplectic integrators for non-separable Hamiltonian systems. - Buddhika Jayawardana; Tomoki Ohsawa (Math. Comput., 2022)

Preservation of Quadratic Invariants by Semiexplicit Symplectic Integrators for Nonseparable Hamiltonian Systems. - Tomoki Ohsawa (SIAM J. Numer. Anal., 2023)

Controlled Lagrangians and Stabilization of Euler-Poincaré Equations with Symmetry Breaking Nonholonomic Constraints. - Jorge Silva Garcia; Tomoki Ohsawa (J. Nonlinear Sci., 2024)