1．	Y. Konishi, "Lumped Element Y Circulator," Japanese Patent 498885, August7, 1967 and US Patent 3335374.
2．	Y. Konishi, "Wideband Frequency Band Circulator," US Patent 3544920,December 1, 1970.
3．	Y. Konishi, "Circulator," US Patent 3551852, December 29, 1970.
4．	Y. Konishi, "Isolator Composing Tuning Lumped Element Circulator," US Patent 36144675, October 19, 1971.
5．	Y. Konishi, "Composite Dielectric Resonator," US Patent 3798578, March 19,1974.
6．	Y. Konishi, "Frequency Converting Devices Mounted in a Waveguide," US Patent 391635, October 28, 1975.
7．	Y. Konishi, "Microwave Circuits," US Patent 4028650, June 7, 1977.
8．	Y. Konishi, "Low Lose Microwave Dielectric Material," US Patent 4487842, December 11, 1984.
9．	Y. Konishi et al., "Microwave Circuits," Japanese Patent 1330127, August 14,1986 and US Patent 3914713, October 21, 1975.
10．	Y. Konishi, "FM Demodulation Method", US Patent 4563651, January 7, 1986.
11．	Y. Konishi et al., "Microwave Filter Device," US Patent 4757286, July 12, 1988.
12．	Y. Konishi et al., "Microwave Directional Coupler," US Patent 4823097, April 18, 1989.
13．	Y. Konishi et al., "Resonant Wave Filter," US Patent 4837535, June 6, 1989.
14．	Y. Konishi et al., "Dielectric Waveguide-Type Filter," US Patent 4963844,October 16, 1990.
15．	Y. Konishi, "Microwave Band Elimination Filter," Japanese Patent 1600298,January 31, 1991.
16．	Y. Konishi, "Removing Circuit of Energy Dispersal," Japanese Patent 1704795,October 27, 1992.
17．	Y. Konishi, "Ferri-Magnetic Film Frequency Modulator," US Patent 5168248,December 1, 1992.
18．	Y. Konishi, "Dielectric Resonator," Japanese Patent 1733777, February 17,1993.
19．	Y. Konishi et al., "Frequency-Fluctuating Interference Removed Receiver," US Patent 5223807, June 29, 1993.
20．	Y. Konishi et al., "Frequency-Fluctuating Interference Removed Receiver," US Patent 5317289, May 31, 1993.
21．	Y. Konishi, "S/N Enhancer," US Patent 5319325, June 7, 1994.
22．	Y. Konishi, "Electro-Magnetic Wave Shielding Structure," US Patent 5374779,December 20, 1994.
23．	Y. Konishi, "Qusi-TEM Mode Dielectric Filter," US Patent 5410285, April 25,1995.
24．	Y. Konishi et al., "Rectification Feedback High Frequency Circuit Arrangement Including an Adaptive Filter," US Patent 5475873, December 12, 1995.
25．	Y. Konishi et al., "Electronic Apparatus Case Having an Electro-Magnetic Wave Shielding Structure," US Patent 5539148, July 23, 1996.
26．	Y. Konishi et al., "Housing for Electronic Apparatus and Method of Damping Unwanted Radiation of Electro-Magnetic Wave," US Patent 5841067, November 24, 1998.
27．	Y. Konishi,"マイクロ波回路" Japanese Patent 1330127, August 14, 1986.
28．	Y. Konishi,"ＦＭ信号復調方式" Japanese Patent 1445664, June 30, 1988.
29．	Y. Konishi,"Microwave Filter Device" US Patent 4757286, July 12, 1988.
30．	Y. Konishi,"Resonator Wave Filter" US Patent 483735, June 6, 1989.
31．	Y. Konishi,"Microwave Directional Coupler" US Patent 4823097, September 18, 1989.
32．	Y. Konishi,"Dielertric Waveguide Type Filter" US Patent 4963844, October 16, 1990.
33．	Y. Konishi,"マイクロ波帯域阻止フィルタ" Japanese Patent 1600298, January 31, 1991.
34．	Y. Konishi,"エネルギー拡散信号除去回路" Japanese Patent 1704795, October 27, 1992.
35．	Y. Konishi,"Ferri-Magnetic Film Frequency Modulator" US Patent 5168248, December 1, 1992.
36．	Y. Konishi,"誘電体共振器" Japanese Patent 1733777, February 17, 1993.

other 250 patents.