some of my (our) papers (mainly in physics):

----------------------------------------------------------------

Kouichi Toyoshima, Takasi Endo and Yutaka Hirayoshi,
Possibility of realizing Busseyfs thought experiment
on collapse of the wave function at the microscopic
level
Journal of Physics: Conference Series 174 (2009) 012028

Kouichi Toyoshima, Takasi Endo and Yutaka Hirayoshi,
Pproposition of a Nanoscale Collider Experiment to Examine
the Loss of Visibility due to Entanglement

Czechoslovak journal of physics, Vol.56, p.1361-1366 (2006).

T.Endo, K.Toyoshima and Y.Hirayoshi
Loss in in an Infinite Transmission Line
J. Phys. Soc. Jpn 74, 547-549. 2005.

Kouichi TOYOSHIMA, Takasi ENDO and Yutaka HIRAYOSHI
Proposition of a nanoscale collider experiment to examine
the loss of visibility due to entanglement
Proc. of the ISQM-Tokyo 2001, ed. by Y.Ono and K.Fujikawa,
World Scientific, 2002. p.273-5.

Kazunobu KURITA and Kouichi TOYOSHIMA, 3-Dimensional Movie
sysytem with a CRT and a Vibrating Plane Mirror, Reports of the Faculty
of Science and Engineering (Saga University), Vol.30-2, p1(2001)

T.Endo, K.Toyoshima and Y.Hirayoshi
Noise Generation due to Time Delay Circuits (PDF)
to be published in J. Phys. Soc. Jpn. 70(2001)

K. Toyoshima, Yutaka HIRAYOSHI, Takasi ENDO, Hitoshi KONDO
A coincidence counting system for a high count rate and
very small true-to-accidental ratio
NIM A414 (1998) 386-390

T. Endo, E. Morimoto, Y. Hirayoshi and K. Toyoshima,
Anticorrelated Noise from Parallely connected Light Emitting Diodes
J. Phys. Soc. Jpn, Vol.67 No.9, p.162(1998)

T. Endo, E. Morimoto, Y. Hirayoshi and K. Toyoshima,
Dependence of an LED Noise on Current Source Impedance
J. Phys. Soc. Jpn, Vol.66 No.7, p.1986(1997)

T. Endo, H. Kondo, Y. Hirayoshi and K. Toyoshima,
Noise Reeduction of Light-Emitting Diodes driven by High-Impedance
Current Sources, J. Faculty of Liberal Arts (Saga University) No.28, p.9
(1996)

Kouichi TOYOSHIMA, Takasi ENDO, Hitoshi KONDO and Yutaka HIRAYOSHI,
Coincidence counting system under very high accidental event rate,
Proc. 5-th Workshop on topics in Nucl. Rad. Det., (Saga Univ.) 1994.

T.Endo and K.Toyoshima, Interference between different photons
from two incoherent sources, Optics Communications 90,p197-
200(1992)

K.Toyoshima and T.Endo, Temporal correlation function calculated
by a wave-packet state of a fermion beam,Phys.Lett.,A152,p141
-144(1991)

K. Toyoshima, A proposal of observation of the two-body interference
effect by the coincidence counting of field-emission electrons,
Genshikaku Kenkyu(Inst.Nucl.Study) vol.33,no.4, p79-83(1988)

K. Toyoshima, Time and position resolution of a coaxial germanium
detector by the least-squares fitting of the waveform, Jpn.J.Appl.Phys.
vol.26,no.10, p1740-1744(1987)

Asakura, H., Itoh, H., Sun-Kee Kim, Gui-Hyun Kim, Kobayashi, S.,
Murakami, A., Nagase, Y., Toyoshima, K
Tests of conductive plastic tube counter for the colliding beam experiment
Rep. Fac. Sci. Eng. Saga Univ. (Japan), vol.16, no.1, 1-14, Aug. 1987

K.Toyoshima, Real 3-dimensional display system with a CRT and
vibrating plane mirror,
"bit" (Kyoritsu-Shuppan, in Japanese)vol.208,
p110-115(1984)

K.Toyoshima,N.Umezaki and H.Ohtake, COMPUTED COLOR RADIOGRAPHY
EXPRESSING AN ENERGY DEPENDENCE OF X-RAY ATTENUATION COEFFICIENTS,
KURUME MEDICAL JOURNAL, Vol.29 No.2 (1982)

Toyoshima, K., Yonemori, M., Fukuda, Y., Takada, K., Hokimoto, K.,
Fukudome, S., Ohtake, H.
Neutron shielding of a medical linac room
Radioisotopes (Japan), vol.30, no.11, 612-15, Nov. 1981

K.Toyoshima and T.Sugimitsu, A Detailed Study of Low-Lying Levels
in 79Kr by the 79Br(p,n gamma)79Kr Reaction, J.Phys.Soc.Jpn, Vol.49
No.2, p.435(1980)

K.Toyoshima, LEVELS IN 81Kr POPULATED BY THE 81BR(p,n gamma)
REACTION, NUCL.PHYS. A323(1979)61