Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HM

Hideo Mifune — 28 Patents

TOTokai: 25 patents #2 of 68Top 3%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Hirakata, JP: #49 of 1,801 inventorsTop 3%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Hideo Mifune has been granted 28 US patents while listed as an inventor at Tokai. The first was granted in 1983 and the most recent in November 2001. Hideo Mifune ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Hideo Mifune in Hirakata, JP.

Patents per Year

Patents granted per year, 1983 to 2001Bar chart with a peak of 6 patents in 2000.peak 61983: 1 patents19831987: 1 patents1993: 1 patents19931994: 2 patents1995: 3 patents19951996: 2 patents1997: 2 patents19971998: 4 patents1999: 2 patents19992000: 6 patents2001: 4 patents2001

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6311521 Process for producing flame reaction members for burners Masato Seki 2001-11-06
6227844 Combustor structure for igniters Yasuaki Nakamura, Masato Seki, Takashi Tsukamoto 2001-05-08
6217315 Liquid fuel burning device Yasuaki Nakamura, Takashi Tsukamoto 2001-04-17
6196832 combustion wick for liquid fuel combustion appliance Yasuaki Nakamura, Masato Seki, Takashi Tsukamoto 2001-03-06
6120566 Liquid fuel for combustion appliances and combustion appliance using the same Yasuaki Nakamura, Takashi Tsukamoto 2000-09-19
6113385 Combustion wick for liquid fuel combustion appliances Yasuaki Nakamura, Takashi Tsukamoto 2000-09-05
6102688 Combustion apparatus for liquid fuel and combustion wick Yasuaki Nakamura, Takashi Tsukamoto 2000-08-15
6089218 Vaporization acceleration device for high-calorie gas appliance Yasuaki Nakamura 2000-07-18
6013903 Flame reaction material carrier and method of manufacturing flame reaction member Masato Seki, Noriyuki Serizawa 2000-01-11
6010334 Combustion appliance for liquid fuel Yasuaki Nakamura, Yosimitsu Kaga, Takashi Tsukamoto 2000-01-04
5915953 Catalyst member for a lighter and process for producing the same Noriyuki Serizawa, Masato Seki, Shinichi Okawa, Jun Kashiwagi 1999-06-29
5898013 Catalyst support member Masato Seki, Jun Kashiwagi 1999-04-27
5807092 Method of and device for detecting the residual of gas quantity in a cassette-type gas cylinder Yasuaki Nakamura 1998-09-15
5743724 Flame reaction member for gas combustion appliances and a process for producing the same Masato Seki, Jun Kashiwagi, Satosi Komiyama 1998-04-28
5738507 Gas igniter Noriyuki Serizawa, Takayuki Suzuki 1998-04-14
5716204 Combustion device in lighters Noriyuki Serizawa, Masato Seki, Shinichi Okawa 1998-02-10
5640948 Safety device for use with portable heater Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa 1997-06-24
5598833 Safety device for use with portable heater Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa 1997-02-04
5568805 Safety device for use with portable heater Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa 1996-10-29
5555905 Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof Yasuaki Nakamura 1996-09-17
5462044 Safety device for use with portable heater Tomio Nitta, Masato Seki, Yosimitu Kaga, Noriyuki Serizawa 1995-10-31
5456929 Ready-to-heat canned goods Tomio Nitta, Tsutomu Shike 1995-10-10
5408987 Portable heater Tomio Nitta, Masato Seki, Shinichi Okawa, Yosimitu Kaga, Noriyuki Serizawa +2 more 1995-04-25
5373836 Water heater Serizawa Noriyuki, Shike Tsutomu 1994-12-20
5298207 Method of producing a microcell polymer filter for use in flow rate regulating mechanisms for gas lighters and similar devices Masato Seki, Tsutomu Shike 1994-03-29