Question: Which Japanese manufacturer created the Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO featuring an integrated tripod mount and removable lens hood?

Context paragraphs:
Olympus M.Zuiko Digital ED 14-150mm f/4-5.6: The M.Zuiko Digital ED 14–150 mm f/4.0-5.6 MSC is a Micro Four Thirds System lens by Olympus Corporation.  It is sold as a standalone item, and also offered as a kit with any Olympus PEN camera.

Olympus Zuiko Digital ED 40-150mm f/4.0-5.6: The Olympus Zuiko Digital ED 40-150mm 1:4.0-5.6 is an interchangeable moderate telezoom lens for the Four Thirds system.  It was announced by Olympus Corporation on September 27, 2004.

Olympus M.Zuiko Digital ED 14-42mm f/3.5-5.6: The Olympus M.Zuiko Digital ED 14–42 mm f/3.5-5.6 is a Micro Four Thirds System lens by Olympus Corporation.  It is sold as a standalone item, and also as part of a kit along with bodies for all cameras in the Olympus PEN series (the discontinued E-P1 and the current E-P2, E-PL1, and E-PL2).

Olympus M.Zuiko Digital ED 9-18mm f/4-5.6: The Olympus Corporation M.Zuiko Digital ED 9–18mm f/4-5.6 is a Micro Four Thirds System lens.  In the Micro Four Thirds format, it is a zoom ranging from wide to ultra-wide.  Like many other Olympus Micro Four Thirds zooms, the front lens elements extend for use, and retract for storage.

Jun Hirakawa: Mr. Jun Hirakawa is a Japanese lens designer best known for creating the Pentax FA 43mm Limited and FA 77mm Limited lenses during his time at Pentax.  He is additionally credited with the designs for the FA* 24mm f/2, FA* 85mm f/1.4, FA* 80-200mm f/2.8, FA 28mm f/2.8, FA 35mm f/2, DA 10-17mm f/3.5-4.5 Fisheye (co-developed with Takayuki Ito), DA 14mm f/2.8, DA 40mm f/2.8 Limited and DA* 55mm f/1.4 lenses.

Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO: The M.Zuiko Digital ED 40-150mm f/2.8 PRO is a Micro Four Thirds System lens by Olympus Corporation, sold as a standalone item.  It is the first superzoom lens in the Olympus PRO range, which are constant-aperture, weather-sealed, metal-bodied lenses intended to accompany the higher end weather sealed OMD bodies such as the EM-1.  It features an integrated lens function button (function selectable through the camera menu system), an integrated tripod mount, and an integrated removable lens hood.

Olympus M.Zuiko Digital ED 40-150mm f/4-5.6: The M.Zuiko Digital ED 40-150mm f/4.0-5.6 is a Micro Four Thirds System lens by Olympus Corporation.  It is sold as a standalone item, and also as part of a kit along with bodies for all cameras in the Olympus PEN series (the discontinued E-P1 and the current E-P2, E-PL1, E-PL2, E-P3, E-PL3, E-PM1, E-PM2 and E-PL5).

Olympus M.Zuiko Digital ED 14-150mm f/4-5.6 II: The Olympus M.Zuiko Digital ED 14-150mm f/4-5.6 II is a Micro Four Thirds superzoom lens announced by Olympus Corporation on February 5, 2015.

Olympus M.Zuiko Digital ED 12mm f/2: The Olympus M.Zuiko Digital ED 12mm f/2 is a Micro Four Thirds System Prime lens by Olympus Corporation.  In the Micro Four Thirds format, it is a wide- or ultra-wide lens.

Olympus Corporation: Olympus Corporation (オリンパス株式会社 , Orinpasu Kabushiki-gaisha ) is a Japanese manufacturer of optics and reprography products.  Olympus was established on 12 October 1919, initially specializing in microscope and thermometer businesses.  Olympus holds a majority share of the world market in gastro-intestinal endoscopes.  It has a roughly 70% share of the global market whose estimated value is US$2.5 billion.  Its global headquarters are in Shinjuku, Tokyo, Japan.  8 January 2009

Supporting paragraphs: Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO Olympus Corporation
Answer: Olympus Corporation