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Kenichi Sohma — 14 Patents

Hitachi: 14 patents #2,892 of 28,497Top 15%
BABabcock-Hitachi: 3 patents #89 of 415Top 25%
Hitachi, JP: #391 of 2,929 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Kenichi Sohma has been granted 14 US patents while listed as an inventor at Hitachi. The first was granted in 1988 and the most recent in August 1996. Kenichi Sohma ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Kenichi Sohma in Hitachi, JP.

Patents per Year

Patents granted per year, 1988 to 1996Bar chart with a peak of 3 patents in 1991.peak 31988: 2 patents19881989: 1 patents19891990: 2 patents19901991: 3 patents19911993: 2 patents19931994: 2 patents19941995: 1 patents19951996: 1 patents1996

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5547369 Camera, spectrum analysis system, and combustion evaluation apparatus employing them Kazuyuki Itoh, Michio Kuroda, Tadayoshi Murakami 1996-08-20 $98,000
5432090 Method for measuring metal ingredients in combustion gas Sinji Tanaka, Shuntaro Koyama, Ryoichi Kaneko 1995-07-11 $50,000
5339635 Gas turbine combustor of the completely premixed combustion type Yasuo Iwai, Shigeru Azuhata, Kiyoshi Narato, Hironobu Kobayashi, Tooru Inada +4 more 1994-08-23 $158,000
5325660 Method of burning a premixed gas in a combustor cap Masayuki Taniguchi, Yasuo Yoshii, Tadayoshi Murakami, Shigeru Azuhata, Norio Arashi +2 more 1994-07-05 $115,000
5216885 Combustor for burning a premixed gas Masayuki Taniguchi, Yasuo Yoshii, Tadayoshi Murakami, Shigeru Azuhata, Norio Arashi +3 more 1993-06-08 $66,000
5186146 Combustion evaluation apparatus and combustion controller Tugihiro Yukitake, Shigeru Azuhata, Norio Arashi, Hiroatsu Tokuda 1993-02-16 $40,000
5067419 Low NOx boiler Hironobu Kobayashi, Shigeru Azuhata, Kiyoshi Narato, Yasuo Yoshii, Norio Arashi +10 more 1991-11-26 $45,000
5038558 Gas turbine combustor and a method of combustion thereby Shigeru Azuhata, Yasuo Iwai, Tooru Inada, Hironobu Kobayashi, Kiyoshi Narato +5 more 1991-08-13 $82,000
5022849 Low NOx burning method and low NOx burner apparatus Yasuo Yoshii, Shigeru Azuhata, Norio Arashi, Tooru Inada, Hideo Kikuchi +7 more 1991-06-11 $50,000
4973159 Spectroscope apparatus and reaction apparatus using the same Shigeru Azuhata, Kiyoshi Narato, Tooru Inada, Hironobu Kobayashi, Norio Arashi +1 more 1990-11-27 $75,000
4907962 Low NOx burner Shigeru Azuhata, Kiyoshi Narato, Hironobu Kobayashi, Tooru Inada, Norio Arashi +2 more 1990-03-13 $44,000
4820046 Spectroscope apparatus and reaction apparatus using the same Shigeru Azuhata, Kiyoshi Narato, Tooru Inada, Hironobu Kobayashi, Norio Arashi +1 more 1989-04-11 $33,000
4784043 Atomizer and coal-water slurry fired boiler utilizing the same Hironobu Kobayashi, Shigeru Azuhata, Kiyoshi Narato, Tooru Inada, Norio Arashi +2 more 1988-11-15 $172,000
4741279 Method of and apparatus for combusting coal-water mixture Shigeru Azuhata, Kazutoshi Higashiyama, Kiyoshi Narato, Hironobu Kobayashi, Norio Arashi +7 more 1988-05-03 $119,000