1.

Conference Proceedings
Conference Proceedings
1. Electric Field Dependent Positronium Formation in α-SiO2
Kobayashi, Y. ; Wang, C.L. ; Hirata, K. ; Kouchi, N.
Pub. info.: Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany.  pp.138-140,  2001.  Zuerich, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 363-365
2.

Conference Proceedings
Conference Proceedings
2. High-Voltage and High-Frequency Operation of AlGaN/GaN Power Heterojunction FET
Miyamoto, H. ; Ando, Y. ; Okamoto, Y. ; Nakayama, T. ; Hataya, K. ; Inoue, T. ; Senda, M. ; Hirata, K. ; Kosaki, M. ; Shibata, N. ; Kuzuhara, M.
Pub. info.: State-of-the-art program on compound semiconductors XLI and nitride and wide bandgap semiconductors for sensors, photonics, and electronics V : proceedings of the international symposia.  pp.446-453,  2004.  Pennington, N.J..  Electrochemical Society
Title of ser.: Electrochemical Society Proceedings Series
Ser. no.: 2004-06
3.

Conference Proceedings
Conference Proceedings
3. Positronium Time-Of-Flight Measurements of Porous Silsesquioxane Films
Yu, R.S. ; Kobayashi, Y. ; Ohdaira, T. ; Suzuki, R. ; Ito, K. ; Hirata, K. ; Sato, K.
Pub. info.: Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003.  pp.361-363,  2004.  Uetikon-Zuerich.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 445-446
4.

Conference Proceedings
Conference Proceedings
4. Correlation between the Doppler Broadening S Parameter and Ortho-Positronium Formation Probability in Polymers
Sato, K. ; Ito, K. ; Hirata, K. ; Yu, R.S. ; Kobayashi, Y.
Pub. info.: Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003.  pp.343-345,  2004.  Uetikon-Zuerich.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 445-446
5.

Conference Proceedings
Conference Proceedings
5. Electric Field Effect on Ps Formation. Black Blob Model
Stepanov, S.V. ; Byakov, V.M. ; Wang, C.L. ; Kobayashi, Y. ; Hirata, K.
Pub. info.: Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany.  pp.392-394,  2001.  Zuerich, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 363-365
6.

Conference Proceedings
Conference Proceedings
6. Effect of Implanted Ion Mass and Incident Energy on Defect and Ion Depth-Distributions in Ion-Implanted Si
Hirata, K. ; Kobayashi, Y.
Pub. info.: Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003.  pp.108-110,  2004.  Uetikon-Zuerich.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 445-446
7.

Conference Proceedings
Conference Proceedings
7. Bulk Volume Behavior of Pressure Densified Amorphous Polymers and Free Volume Behavior by Positron Annihilation Lifetime Measurement
Hagiwara, K. ; Ougizawa, T. ; Inoue, T. ; Hirata, K. ; Kobayashi, Y.
Pub. info.: Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany.  pp.337-339,  2001.  Zuerich, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 363-365
8.

Technical Paper
Technical Paper
8. Development of Urea-SCR System for Heavy-Duty Commercial Vehicles.
Hirata, K. ; Masaki, N. ; Ueno, H. ; Akagawa, H.
Pub. info.: 2005 SAE world congress : technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
9.

Conference Proceedings
Conference Proceedings
9. Development of over 300-watts average power excimer laser
Hirata, K. ; Kawamura, J. ; Katou, H. ; Sajiki, K. ; Okada, M.
Pub. info.: Gas and Chemical Lasers, and Applications III.  pp.198-204,  2004.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5334
10.

Conference Proceedings
Conference Proceedings
10. Mechanism of laser ablation in liquid media investigated by using long-lasting lanthanide emission as a probe
Hirata, K. ; Masai, S. ; Sakka, T. ; Ogata, Y.H.
Pub. info.: Photon Processing in Microelectronics and Photonics IV.  pp.311-318,  2005.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5713