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Inventor

Tsutomu Hirano

Inventor
Itami, JP

Overview

12→
Patents
2000–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B23Bprimary
B23BTurning11%
C22CAlloys11%
H02KDynamo-electric machines11%
Y10TTechnical subjects covered by former us classification11%
B22FWorking metallic powder7%
C04BLime, magnesia7%
H02HEmergency protective circuit arrangements7%
B23PMetal-working not otherwise provided for4%
C01BNon-metallic elements4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
PatentTitleYear
11,046,581Polycrystalline cubic boron nitride and method for manufacturing the same202110,625,349Cubic boron nitride cutting tool202010,010,940Cubic boron nitride cutting tool20189,522,850'Method for manufacturing cubic boron nitride sintered body, and cubic boron nitride sintered body'20167,811,826'Method of quantitatively measuring small particle low density lipoproteins'20107,679,868'Power supply apparatus'20107,183,668'Generator with current and voltage abnormality detection'20076,844,650'Multipolar magnetogenerator'20056,392,173'Automatic switchover device for power source'20026,130,486'Engine operated generator'20006,091,172'Coil connecting structure in outer rotor-type multi-pole generator'20006,030,260'Connecting terminal for stator'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2010Patents assigned to HONDA MOTOR CO LTD (7)· patent assignee history
2000Patents assigned to SAWAFUJI ELECTRIC CO LTD (2)· patent assignee history
2000–2010Based in Saitama, JP· patent location history
2000–2005Based in Wako, JP· patent location history
2010Patents assigned to DENKA SEIKEN KK (1)· patent assignee history
2010Based in Tokyo, JP· patent location history
2016–2021Patents assigned to SUMITOMO ELECTRIC HARDMETAL CORP (4)· patent assignee history
2016–2021Based in Itami, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD72000–2010
SUMITOMO ELECTRIC HARDMETAL CORP42016–2021
SAWAFUJI ELECTRIC CO LTD22000
DENKA SEIKEN KK12010
Locations
LocationPatentsSpan
Itami, JP42016–2021
Saitama, JP42000–2010
Wako, JP32000–2005
Tokyo, JP12010